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4,019 Animals, page 1 of 3
- Gabar Goshawk: Melierax gabar
- Gabb Piddock: Penitella gabbii
- Gabb Strigilla: Strigilla gabbi
- Gabb’s Checkerspot: Chlosyne gabbi, Chlosyne gabbii, Chlosyne gabbii atrifasciata
- Gabb’s Piddock: Penitella gabbi
- Gabb’s Satyr: Cercyonis pegala gabbii
- Gabb’s Snail: Micrarionta gabbii
- Gabb’s Snook: Centropomus parallelus
- Gabela Akalat: Sheppardia gabela
- Gabela Bush-Shrike: Laniarius amboimensis
- Gabela Helmet-Shrike: Prionops gabela
- Gabilan Mountains Slender Salamander: Batrachoseps gavilanensis
- Gabon Batis: Batis minima
- Gabon Black Colobus: Colobus satanas anthracinus
- Gabon Coucal: Centropus anselli
- Gabon Dwarf Shrew: Suncus remyi
- Gabon Gurnard: Chelidonichthys gabonensis
- Gabon Jewelfish: Aphyosemion cyanostictum
- Gabon Killi: Aphyosemion gabunense gabunense
- Gabon Shrimp: Atya gabonensis
- Gabon Woodpecker: Dendropicos gabonensis
- Gaboon Viper: Bitis gabonica
- Gabriella’s Grouper: Epinephelus gabriellae, Scaptia lasiophthalma
- Gacela De Przewalski: Procapra przewalskii
- Gadella: Gadella maraldi
- Gadwall: Anas strepera, Anas strepera strepera
- Gaff-Topsail: Trachinotus goodei
- Gafftopsail: Bagre bagre, Trachinotus goodei
- Gafftopsail Catfish: Bagre marinus
- Gafftopsail Pompano: Trachinotus rhodopus
- Gafftopsail Sea Catfish: Bagre marinus
- Gag: Mycteroperca microlepis, Mycteroperca tigris
- Gag Grouper: Mycteroperca microlepis
- Gag-Velvet Rockfish: Mycteroperca microlepis
- Gagora Catfish: Arius gagora
- Gaige’s Dwarf Gecko: Sphaerodactylus gaigeae
- Gaimard’s Wrasse: Coris gaimard
- Gairdner’s Shrew-Mouse: Mus pahari
- Gairdner’s Shrewmouse: Mus pahari
- Galápagos Sea Lion: Zalophus wollebaeki
- Gal’s Leatherjacket: Meuschenia galii
- Galactacma Scorpionfish: Molleriopsis floridana, Sebastapistes galactacma
- Galagos: Galago rondoensis
- Galah: Cacatua roseicapilla, Eolophus roseicapillus
- Galah Cockatoo: Eolophus roseicapillus
- Galam White-Lipped Frog: Amnirana galamensis
- Galapagos Barn Owl: Tyto alba punctatissma
- Galapagos Barnacle Blenny: Acanthemblemaria castroi
- Galapagos Bat: Lasiurus brachyotis
- Galapagos Black Widow: Latrodectus apicalis
- Galapagos Blenny: Hoplolatilus starki, Starksia galapagensis
- Galapagos Blue Butterfly: Leptodes parrhasioides
- Galapagos Blue-Banded Goby: Lythrypnus gilberti
- Galapagos Bullhead Shark: Heterodontus quoyi, Hypoatherina sp
- Galapagos Carpenter Bee: Xylocopa darwini
- Galapagos Centipede: Scolopendra galapagoensis
- Galapagos Clingfish: Arcos poecilophthalmos
- GalÁpagos Cormorant: Phalacrocorax harrisi
- Galapagos Croaker: Odontoscion eurymesops
- Galapagos Cuskeel: Ogilbia galapagosensis
- Galapagos Damsel: Azurina eupalama
- Galapagos Dove: Zenaida galapagoensis
- Galapagos Field Cricket: Gryllus abditus
- Galapagos Flycatcher: Myriarchus magnirostris
- Galapagos Fur Seal: Arctocephalus galapagoensis
- Galapagos Garden Eel: Heteroconger klausewitzi
- Galapagos Giant Tortoise: Geochelone elephantophus, Geochelone nigra
- Galapagos Green Turtle: Chelonia mydas agassisi
- Galapagos Gregory: Stegastes arcifrons
- Galapagos Gurnard: Chlamys triggi, Prionotus miles
- Galapagos Hawk: Buteo galapagoensis
- Galapagos Hermit Crab: Calcinus explorator
- Galapagos Heron: Butorides sundevalli
- Galapagos Islands Fur Seal: Arctocephalus galapagoensis
- Galapagos Jawfish: Opistognathus galapagensis
- Galapagos Land Iguana: Conolophus subcristatus
- Galapagos Leaf-Toed Gecko: Phyllodactylus galapagensis
- Galapagos Marine Iguana: Amblyrhynchus cristatus, Amblyrhynchus cristatus albemarlensis, Amblyrhynchus cristatus cristatus, Amblyrhynchus cristatus hassi, Amblyrhynchus cristatus mertensi, Amblyrhynchus cristatus nanus, Amblyrhynchus cristatus sielmanni, Amblyrhynchus cristatus venustissimus
- Galapagos Mockingbird: Nesomimus parvulus
- Galapagos Mullet: Mugil galapagensis
- Galapagos Penguin: Spheniscus mendiculus
- Galapagos Petrel: Pterodroma phaeopygia
- Galapagos Pintail: Anas bahamensis galapagensis
- Galapagos Porgy: Calamus taurinus
- Galapagos Racer: Alsophis biserialis
- Galapagos Rail: Laterallus spilonotus
- Galapagos Razorfish: Xyrichtys victori
- Galapagos Reef Octopus: Octopus oculifer
- Galapagos Rice Rat: Oryzomys bauri, Oryzomys galapagoensis, Oryzomys galapagoensis galapagoensis
- Galapagos Rice Rats: Nesoryzomys narboroughi
- Galapagos Ringtail Damselfish: Stegastes beebei
- Galapagos Scorpion: Hadruroides maculatus galapagoensis
- Galapagos Sea Lion: Zalophus californianus wollebacki
- GalÁpagos Sea Lion: Zalophus wollebaeki
- Galapagos Shark: Carcharhinus galapagensis, Carcharhynchus galapagoensis
- Galapagos Silver Fritillary: Agraulis vanillae galapagensis
- Galapagos Slipper Lobster: Scyllarides astori
- Galapagos Snake Eel: Quassiremus evionthas
- Galapagos Storm Petrel: Oceanodroma tethys tethys
- Galapagos Sulphur Butterfly: Phoebis sennae marcellina
- Galapagos Thread Herring: Opisthonema berlangai
- Galapagos Tortoise: Geochelone nigra
- Galapagos Triplefin Blenny: Lepidonectes corallicola
- Galapogos Mealybug: Pseudococcus galapagoensis
- Galathea Gizzard Shad: Chione catilirata, Nematalosa galatheae
- Galathea Gizzard-shad: Chione catilirata, Nematalosa galatheae
- Galápagos Sheephead Wrasse: Spisula austini
- Gale’s Pipefish: Campichthys galei
- Galilaea Tilapia: Sarotherodon galilaeus galilaeus
- Galiuro Talussnail: Sonorella galiurensis
- Gal�pagos Sea Lion: Zalophus wollebaeki
- Galjoen: Dichistius capensis
- Gall Kermes: Olliffiella cristicola
- Gall Midge: Cecidomyia pini, Dasineura capsulae, Harrisomyia vitrina, Mikiola fagi, Physemocecis hartigi, Rabdophaga strobilina, Taxodiomyia cupressi
- Gall Mites: Eriophyes condrillae
- Gall-Like Kermes: Allokermes galliformis
- Gallagher’s Free-Tailed Bat: Chaerephon gallagheri
- Gallaway’s Amphipod: Stygobromus gallawayae
- Gallego: Caranx latus
- Galliwasp: Synodus foetens
- Gallmaking Maple Borer: Xylotrechus aceris
- Gallocristo: Zeus faber
- Galloon Pompano: Trachinotus maxillosus
- Gallwasp: Synodus foetens
- Galway Sea Trout: Salmo trutta trutta
- Galzin’s Garden Eel: Gorgasia galzini
- Gambel’s Quail: Callipepla gambelii
- Gambian Epauletted Fruit Bat: Epomophorus gambianus
- Gambian Mongoose: Mungos gambianus
- Gambian Rat: Cricetomys gambianus
- Gambian Slit-Faced Bat: Nycteris gambiensis
- Gambian Sun Squirrel: Heliosciurus gambianus
- Gammon’s Riffle Beetle: Stenelmis fuscata, Stenelmis gammoni
- Gammon’s Stenelmis Riffle Beetle: Stenelmis fuscata, Stenelmis gammoni
- Gandy Creek Cave Springtail: Pseudosinella certa
- Gang-Gang Cockatoo: Callocephalon fimbriatum
- Ganga River-Sprat: Corica soborna
- Ganges Croaker: Johnius coitor
- Ganges Delta Prawn: Leptocarpus fluminicola
- Ganges Dolphin: Platanista gangetica, Platanista gangetica gangetica
- Ganges Gizzard Shad: Gonialosa manmina
- Ganges Hairtail: Trichiurus gangeticus
- Ganges Jewfish: Nibea coibor
- Ganges River Dolphin: Platanista gangetica, Platanista gangetica gangetica
- Ganges River Gizzard Shad: Gonialosa manmina
- Ganges River Prawn: Macrobrachium choprai
- Ganges River Sprat: Corica soborna
- Ganges River-Dolphin: Platanista gangetica
- Ganges Shad: Gudusia chapra
- Ganges Stingray: Himantura fluviatilis
- Gangetic Ailia: Ailia coila
- Gangetic Anchovy: Setipinna phasa, Thryssa mystax
- Gangetic Bola: Johnius gangeticus
- Gangetic Goonch: Bagarius bagarius
- Gangetic Hairfin Anchovy: Setipinna phasa
- Gangetic Halfbeak: Dermogenys brachynotopterus
- Gangetic Koi: Anabas cobojius
- Gangetic Latia: Crossocheilus latius
- Gangetic Leaffish: Nandus nandus, Neolepton depressa
- Gangetic Loach: Botia rostrata
- Gangetic Moray: Platycolaspis australis, Strophidon sathete
- Gangetic Mudeel: Monopterus cuchia
- Gangetic Mystus: Mystus cavasius
- Gangetic Pufferfish: Chelonodon patoca
- Gangetic Ribbonfish: Trichiurus gangeticus
- Gangetic Scissortail Rasbora: Rasbora rasbora
- Gangetic Sillago: Sillaginopsis panijus
- Gangetic Silvery-Biddy: Gerres setifer
- Gangetic Sleeper: Odonteleotris macrodon
- Gangetic Stingray: Himantura fluviatilis
- Gangetic Tank Goby: Glossogobius giuris
- Gangetic Tongue-Sole: Cynoglossus cynoglossus
- Gangetic Tonguesole: Cynoglossus cynoglossus
- Gangetic Whiting: Sillaginopsis panijus
- Ganonga White-Eye: Zosterops luteirostris
- Gansu Hamster: Cansumys canus
- Gansu Mole: Scapanulus oweni
- Gansu Pika: Ochotona cansus
- Gansu Shrew: Sorex cansulus
- Ganzobirame: Pseudorhombus cinnamoneus
- Ganzu Vole: Eothenomys eva
- Gaoligong Pika: Ochotona gaoligongensis
- Gaper: Champsodon capensis, Serranus cabrilla
- Gaper Pea Crab: Pinnixa littoralis
- Gaping Needlefish: Ablennes hians
- Gapper’s Red-Backed Vole: Clethrionomys gapperi, Clethrionomys gapperi stikinensis
- Gar: Hemiramphus brasiliensis, Strongylura notata notata, Thalotia kapiolaniae, Tylosurus crocodilus crocodilus, Xenentodon cancila
- Gar Characin: Ctenolucius hujeta
- Gar Fish: Ablennes hians, Strongylura strongylura, Tylosurus choram
- Gar-Fish: Belone belone
- Garaina Alison: Alison garaina
- Gardd Carp: Ctenopharyngodon idella
- Garden Arion: Arion hortensis
- Garden Canyon Talussnail: Sonorella dalli
- Garden Cave Beetle: Pseudanophthalmus hortulanus
- Garden Dormouse: Eliomys pallidus, Eliomys quercinus
- Garden Eel: Heteroconger cobra, Heteroconger hassi, Heteroconger longissimus
- Garden Emerald: Chlorostilbon assimilis
- Garden Fleahopper: Halticus bractatus
- Garden Skink: Lampropholis delicata
- Garden Slender Salamander: Batrachoseps major
- Garden Sole: Pardachirus marmoratus
- Garden Springtail: Bourletiella hortensis
- Garden Tiger Moth: Arctia caja
- Garden Tiger Moth Or Great Tiger Moth: Arctia caja
- Garden Webworm: Achyra rantalis
- Garden Webworm Moth: Achyra rantalis
- Garden Zachrysia: Zachrysia provisoria
- Gardenview Scarlet Bee Balm: Monarda ’Gardenview Scarlet’
- Gardiner’s Butterflyfish: Chaetodon gardineri
- Gardiner’s Seychelles Frog: Sooglossus gardineri
- Gardner’s Butterflyfish: Chaetodon gardineri
- Gardner’s Killi: Fundulopanchax gardneri gardneri
- Garfish: Arrhamphus sclerolepis sclerolepis, Belone belone, Euleptorhamphus viridis, Hemiramphus far, Hemiramphus robustus, Hyporhamphus ihi, Hyporhamphus intermedius, Hyporhamphus quoyi, Scomberesox saurus saurus, Strongylura marina, Tylosurus crocodilus crocodilus
- Garganey: Anas querquedula
- Gargantuan Blenny: Cirripectes obscurus
- Gargoyle: Caelorinchus mirus
- Gargoyle Fish: Caelorinchus mirus
- Garibaldi: Hypsypops rubicundus
- Garibaldi Damselfish: Hypsypops rubicundus
- garish Hind: Cephalopholis igarashiensis
- Garlepp’s Mouse: Galenomys garleppi
- Garlic Glass-Snail: Oxychilus alliarius
- Garloving Fishlouse: Argulus lepidostei
- Garman’s Cave Beetle: Pseudanophthalmus horni
- Garman’s Quaker: Orthosia garmani
- Garman’s Toad: Bufo garmani
- Garnet Glider: Tauriphila australis
- Garnet Lampfish: Stenobrachius nannochir
- Garnet Lanternfish: Stenobrachius nannochir
- Garnet Minnow: Aphyocypris lini
- Garnet Pitta: Pitta granatina
- Garnet Tetra: Hemigrammus pulcher
- Garnet-Throated Hummingbird: Lamprolaima rhami
- Garnett’s Greater Galago: Otolemur crassicaudatus, Otolemur garnettii
- Garnier’s Limia: Limia garnieri
- Garo Hill Tree Toad: Pedostibes kempi
- Garo Spineless Eel: Garo khajuriai
- Garpike: Belone belone
- Garrick: Cyclothone braueri, Lichia amia
- Garrido’s Hutia: Mysateles garridoi
- Garrupa: Epinephelus akaara, Epinephelus coeruleopunctatus, Serranus cabrilla
- Garrya Mealybug: Phenacoccus colemani
- Garter Whelk: Colus periscelidus
- Garua Bachcha: Clupisoma garua
- Garve: Limanda limanda
- Garve Fluke: Limanda limanda
- Garvie: Sprattus sprattus, Sprattus sprattus sprattus
- Garvock: Sprattus sprattus, Sprattus sprattus sprattus
- Gaskell’s False Serotine: Hesperoptenus gaskelli
- Gaspe Shrew: Sorex gaspensis
- Gaspereau: Alosa pseudoharengus
- Gatesby’s Slug-Eater: Dipsas gatesbyi
- Gatineau Tadpole Snail: Physella parkeri latchfordi
- Gator: Alligator mississippiensis
- Gaudiolum Eyemark: Mesosemia gaudiolum
- Gaudy Cantharus: Pollia auritula
- Gaudy Clown Crab: Platypodiella spectabilis
- Gaudy Frogsnail: Bursa corrugata, Bursa corrugata ponderosa
- Gaudy Notothen: Lepidonotothen nudifrons
- Gaudy Sanguin: Asaphis deflorata
- Gaudy Sphinx: Eumorpha labruscae
- Gaumer’s Spiny Pocket Mouse: Heteromys gaumeri
- Gaunt Marginella: Marginella perexilis
- Gaur: Bos frontalis
- Gautama Thryssa: Thryssa gautamiensis
- Gavial: Gavialis gangeticus
- Gay’s Swallowtail: Mimoides ariarathes gayi
- Gayal: Bos frontalis
- Gazelles: Gazella bennettii, Gazella rufifrons, Gazella spekei
- Günther’s Liparid: Liparophaedusa ruminiformis
- Gdale & Fleming: Maoricicada mangu, Maoricicada otagoensis
- Ge: Lestidiops jayakari
- Geata Mouse Shrew: Myosorex geata
- Gebe Cuscus: Phalanger alexandrae
- Gebuchteter Hammerhai: Sphyrna lewini
- Gecko: Gekko gekko
- Gecko Cat Shark: Galeus eastmani
- Gecko Catshark: Galeus eastmani
- Gecko Goby: Chriolepis zebra
- Gee’s Golden Langur: Trachypithecus geei
- Geelbeck Cwaker: Atractoscion aequidens
- Geelbeek: Atractoscion aequidens
- Geelbek: Atractoscion aequidens
- Geelbek Croaker: Atractoscion aequidens
- Geelvink Bay Flying Fox: Pteropus pohlei
- Geelvink Pygmy-Parrot: Micropsitta geelvinkiana
- Gejiu Blind Loach: Triplophysa gejiuensis
- Gelada: Theropithecus gelada
- Gelada Baboon: Theropithecus gelada
- Gelanor Sombermark: Euselasia gelanor
- Gelatinous Blanket Octopus: Tremoctopus gelatus
- Gelatinous Blindfish: Aphyonus gelatinosus
- Gelatinous Cardinalfish: Pseudamia gelatinosa
- Gelatinous Dwarf Snailfish: Psednos gelatinosus
- Gelatinous Seasnail: Conus jacarusoi, Liparis fabricii
- Gelatinous Snailfish: Conus jacarusoi, Liparis fabricii
- Gelechiid Moth: Coleotechnites gibsonella, Coleotechnites laricis, Microsetia sexguttella
- Geledi Squeaker: Synodontis geledensis
- Gem: Orthonama obstipata
- Gem Cyclostreme: Arene tricarinata
- Gem Miter: Vexillum gemmatum
- Gem Murex: Maxwellia gemma
- Gem Supercoil: Paravitrea lapilla
- gem Surgeonfish: Zebrasoma gemmatum
- Gem Tegula: Tegula gruneri
- Gem Topsnail: Calliostoma gemmulatum
- Gem-Faced Civet: Paguma larvata
- Gemeiner: Sepia aculeata, Sepia acuminata, Sepia adami, Sepia andreana, Sepia angulata, Sepia apama, Sepia appellofi, Sepia arabica, Sepia aureomaculata, Sepia australis, Sepia bandensis, Sepia bartletti, Sepia bathyalis, Sepia baxteri, Sepia bertheloti, Sepia bidhaia, Sepia braggi, Sepia brevimana, Sepia burnupi, Sepia carinata, Sepia chirotrema, Sepia confusa, Sepia cottoni, Sepia cultrata, Sepia dannevigi, Sepia dollfusi, Sepia dubia, Sepia elegans, Sepia elliptica, Sepia elobyana, Sepia elongata, Sepia erostrata, Sepia esculenta, Sepia faurei, Sepia foliopeza, Sepia gibba, Sepia hedleyi, Sepia hieronis, Sepia hierredda, Sepia incerta, Sepia insignis, Sepia irvingi, Sepia ivanovi, Sepia joubini, Sepia kiensis, Sepia kobiensis, Sepia koilados, Sepia latimanus, Sepia limata, Sepia longipes, Sepia lorigera, Sepia lycidas, Sepia madokai, Sepia mascarensis, Sepia mestus, Sepia mira, Sepia mirabilis, Sepia murrayi, Sepia novaehollandiae, Sepia officinalis, Sepia omani, Sepia opipara, Sepia orbignyana, Sepia papillata, Sepia papuensis, Sepia pardalis, Sepia peterseni, Sepia pharaonis, Sepia plana, Sepia plangon, Sepia plathyconchalis, Sepia prashadi, Sepia pulchra, Sepia recurvirostra, Sepia reesi, Sepia rex, Sepia rhoda, Sepia rozella, Sepia savignyi, Sepia saya, Sepia senta, Sepia sewelli, Sepia simoniana, Sepia smithi, Sepia sokotriensis, Sepia stellifera, Sepia subtenuipes, Sepia sulcata, Sepia tala, Sepia tanybracheia, Sepia tenuipes, Sepia thurstoni, Sepia tokioensis, Sepia trygonina, Sepia tuberculata, Sepia typica, Sepia vercoi, Sepia vermiculata, Sepia vietnamica, Sepia vossi, Sepia whitleyana, Sepia zanzibarica
- Gemeiner Kalmar: Loligo vulgaris vulgaris
- Gemeiner Tintenfisch: Sepia officinalis
- Gemfish: Atractosteus spatula, Rexea solandri, Thyrsites atun, Thyrsitops lepidopoides, Zebina lata
- Gemmate Bush Katydid: Insara gemmicula
- Gemmed Satyr: Cyllopsis gemma
- Gemmed Sphinx: Sphinx geminus
- Gemsbok: Oryx gazella, Oryx gazella gazella
- Gendarme Fish: Acanthurus olivaceus
- Gendarmefish: Acanthurus olivaceus
- Gene’s Cave Salamander: Hydromantes supramontis
- Generosa Giant-Owl: Catoblepia generosa
- Genets: Genetta cristata, Genetta felina
- Geniculate River Snail: Lithasia geniculata, Lithasia geniculata fuliginosa
- Genie’s Cleaning Goby: Elacatinus genie
- Genjam Alison: Alison thamyris
- Genko Sole: Cynoglossus interruptus
- Genoways’s Yellow Bat: Rhogeessa genowaysi
- Gentina Crescent: Ortilia gentina
- Gentle Cardinalfish: Vincentia chrysura
- Gentle Monkey: Cercopithecus mitis
- Gentoo Penguin: Pygoscelis papua
- Gentry’s Giant-Skipper: Agathymus gentryi
- Genuine Porgy: Barbatia hina, Pagrus major
- Geoffroy’s Bat: Myotis emarginatus
- Geoffroy’s Black-and-white Colobus: Colobus vellerosus
- Geoffroy’s Cat: Oncifelis geoffroyi, Oncifelis geoffroyi geoffroyi, Oncifelis geoffroyi salinarum
- Geoffroy’s Horseshoe Bat: Rhinolophus clivosus
- Geoffroy’s Marmoset: Callithrix geoffroyi
- Geoffroy’s Monk Saki: Pithecia monachus, Pithecia monachus monachus
- Geoffroy’s Rousette: Rousettus amplexicaudatus
- Geoffroy’s Saddle-Back Tamarin: Saguinus fuscicollis nigrifrons
- Geoffroy’s Side-Necked Turtle: Phrynops geoffroanus
- Geoffroy’s Spider Monkey: Ateles geoffroyi geoffroyi
- Geoffroy’s Tail-less Bat: Anoura geoffroy, Anoura geoffroyi
- Geoffroy’s Tailless Bat: Anoura geoffroyi
- Geoffroy’s Tamarin: Saguinus geoffroyi
- Geoffroy’s Tufted-Eared Marmoset: Callithrix geoffroyi
- Geoffroy’s Woolly Monkey: Lagothrix cana, Lagothrix cana cana
- geoffroy’s Wrasse: Macropharyngodon geoffroy
- geographic Wrasse: Anampses geographicus
- Geomalia: Geomalia heinrichi
- Geometric Moray: Gymnothorax griseus
- Geometric Tortoise: Psammobates geometricus
- Geometric Turtle: Psammobates geometricus
- Geometrid Moth: Caripeta angustiorata, Digrammia continuata, Eufidonia convergaria, Eupithecia interruptofasciata, Eupithecia intricata, Eupithecia palpata, Hydriomena divisaria, Iridopsis vellivolata, Lambdina vitraria, Patalene olyzonaria, Semiothisa banksianae, Semiothisa bisignata, Semiothisa fissinotata, Semiothisa granitata, Semiothisa minorata, Semiothisa multilineata, Semiothisa oweni, Semiothisa pinistrobata, Semiothisa signaria, Semiothisa transitaria, Timandra griseata
- Georges Bank Flounder: Pseudopleuronectes americanus
- Georgetown Salamander: Eurycea naufragia
- Georgia Beloneurian Stonefly: Beloneuria georgiana
- Georgia Blind Salamander: Haideotriton wallacei
- Georgia Elephant-Ear: Elliptio dariensis
- Georgia Elephantear: Elliptio dariensis
- Georgia Pigtoe: Pleurobema hanleyianum
- Georgia River Cruiser: Macromia illinoiensis georgina
- Georgia Satyr: Neonympha areolata, Neonympha areolatus
- Georgian Cave Beetle: Pseudanophthalmus georgiae
- Georgian Prominent: Hyperaeschra georgica
- Geranium Mealybug: Spilococcus geraniae
- Gerbe’s Vole: Microtus gerbei
- Gerberg Eriococcin: Eriococcus gerbergi
- Gerbil Leaf-Eared Mouse: Phyllotis gerbillus
- Gerdi: Pentanemus quinquarius
- Gerenuk: Litocranius walleri, Litocranius walleri walleri
- Gerken Sea Flea: Nebalia gerkenae
- Gerlepp’s Mouse: Galenomys garleppi
- Germain’s Blenny: Omobranchus germaini
- Germain’s Peacock-Pheasant: Polyplectron germaini
- Germain’s Silver Langur: Trachypithecus villosus germaini
- German: Polyamblyodon germanum
- German Carp: Cyprinus carpio carpio
- German Cockroach: Blattella germanica
- german Salmon: Macrodon ancylodon
- German Seabream: Polyamblyodon germanum
- German Yellow-Jacket: Vespula germanica
- German Yellowjacket: Paravespula germanica
- German’s Swiftlet: Collocalia germani
- Germany Valley Cave Millipede: Pseudotremia lusciosa
- gertrude’s Blue-Eye: Pseudomugil gertrudae
- Gervais’ Beaked Whale: Mesoplodon europaeus
- Gervais’ Fruit-Eating Bat: Artibeus cinereus
- Gervais’s Beaked Whale: Mesoplodon europaeus
- Gervais’s Fruit-Eating Bat: Artibeus cinereus
- Gervais’s Funnel-Eared Bat: Natalus lepidus, Nyctiellus lepidus
- Get: Cromeria nilotica
- Gewone Achtarm: Octopus vulgaris
- Gewone Zeekat: Sepia officinalis
- Ghana Cuckoo-Shrike: Campephaga lobata
- Ghana Mole Rat: Cryptomys zechi
- Ghana Rufous-Nosed Rat: Oenomys ornatus
- Ghanean Comber: Serranus accraensis
- Ghanean Rockfish: Pontinus accraensis
- Ghanian Tonguesole: Cynoglossus cadenati
- Ghardaqa Brittle Star: Fromia ghardaqana
- Gharial: Gavialis gangeticus
- Gharial Crocodile: Gavialis gangeticus
- Ghizo White-Eye: Zosterops luteirostris
- Ghost Ant: Tapinoma melanocephalum
- Ghost Candiru: Stauroglanis gouldingi
- Ghost Cardinal: Apogon savayensis
- Ghost Cardinalfish: Apogon bandanensis, Apogon savayensis
- Ghost Cat Shark: Apristurus manis
- Ghost Catfish: Kryptopterus minor
- Ghost Catshark: Apristurus manis
- Ghost Comb Shrimp: Pasiphaea merriami
- Ghost Crab: Ocypode gaudichaudii, Ocypode quadrata
- Ghost Cusk-Eel: Otophidium chickcharney
- Ghost Fish: Hydrosmecta sogamensis, Kryptopterus bicirrhis
- Ghost Flathead: Hoplichthys haswelli, Hoplichthys regani
- Ghost Goby: Kellia rugosa, Pleurosicya muscarum
- Ghost Lizard: Eurycea spelaeus
- Ghost Marstonia: Marstonia arga, Pyrgulopsis arga
- Ghost Moray: Gymnothorax phasmatodes
- Ghost Moray Eel: Gymnothorax phasmatodes
- Ghost Pipefish: Solenostomus cyanopterus
- Ghost Rams-Horn: Biomphalaria havanensis
- ghost Rattail: Coryphaenoides cinereus
- Ghost Scabbardfish: Lepidopus manis
- Ghost Shark: Callorhinchus milii, Chimaera monstrosa, Chimaera phantasma, Hydrolagus mitsukurii, Hydrolagus pallidus
- Ghost Shiner: Notropis buchanani
- Ghost Shrimp: Stenopus pyrsonotus
- Ghost Skate: Rajella dissimilis
- Ghost Smelt: Bathylagus callorhini
- Ghost Stonebasher: Paramormyrops jacksoni
- Ghost Sulphur: Anteos clorinde
- Ghost Swift: Hepialus humuli
- Ghost Tiger Beetle: Cicindela lepida
- Ghost Velvetfish: Cocotropus larvatus
- Ghost Yellow: Eurema albula
- Ghost-Faced Bat: Mormoops megalophylla
- Ghostfish: Cryptacanthodes maculatus, Kryptopterus bicirrhis
- Ghostly Grenadier: Coryphaenoides leptolepis
- Ghostly Scorpionfish: Scorpaena gusta
- Ghostshark: Hydrolagus lemures, Hydrolagus ogilbyi
- Gian Bird-Eating Spider: Theraphosa blondi
- Giant African Millipede: Spirostreptus gigas
- Giant African Snail: Achatina fulica
- Giant African Threadfin: Polydactylus quadrifilis
- Giant Amazon River Turtle: Podocnemis expansa
- Giant Ameiva: Ameiva ameiva
- Giant American Bittersweet: Glycymeris americana
- Giant Anemone: Condylactis gigantea
- Giant Anglerfish: Antennarius commerson
- Giant Antarctic Cod: Dissostichus mawsoni
- Giant Antarctic Octopus: Megaleledone senoi
- Giant Anteater: Myrmecophaga tridactyla
- Giant Antpitta: Grallaria gigantea
- Giant Antshrike: Batara cinerea
- Giant Arapaima: Arapaima gigas
- giant Archerfish: Toxotes chatareus
- Giant Armadillo: Priodontes maximus
- Giant Asian Pond Turtle: Heosemys grandis
- Giant Atlantic Manta: Manta birostris
- Giant Atlantic Tree Rat: Echimys thomasi
- Giant Atlas Moth: Attacus lorquini
- Giant Babax: Babax waddelli
- Giant Bamboo Scale: Chaetococcus bambusae
- Giant Bandicoot: Peroryctes broadbenti
- Giant Banjo Frog: Limnodynastes interioris
- Giant Barb: Catlocarpio siamensis
- Giant Bark Aphid: Longistigma caryae
- Giant Barred Frog: Mixophyes iteratus
- Giant Barrel Sponge: Xestospongia testudinaria
- Giant Betta: Betta anabatoides
- Giant Bittersweet: Glycymeris americana
- Giant Black Marlin: Makaira indica
- Giant Blenny: Scartichthys gigas
- Giant Blue Eyed Mary: Collinsia grandiflora
- Giant Blue-Eye Mary: Collinsia grandiflora
- Giant Boarfish: Paristiopterus gallipavo, Paristiopterus labiosus
- Giant Box Crab: Calappa calappa
- Giant Brazilian Otter: Pteronura brasiliensis, Pteronura brasiliensis paranensis
- Giant Brooding Anemone: Epiactis fernaldi, Epiactis lisbethae
- Giant Brown Cricket: Tropidacris dux
- Giant Bullfrog: Pyxicephalus adspersus
- Giant Bully: Gobiomorphus gobioides
- Giant Burrowing Anemone: Harenactis attenuata
- Giant Burrowing Frog: Heleioporus australiacus
- Giant Bushy-Tailed Cloud Rat: Crateromys schadenbergi
- Giant Butterfly Ray: Gymnura altavela
- Giant Canoe-Bubble: Scaphander punctostriatus
- Giant Captainfish: Pseudotolithus elongatus
- Giant Caribbean Anenone: Condylactis gigantea
- Giant Cat-Fish: Arius maculatus, Arius thalassinus
- Giant Catfish: Arius thalassinus, Pangasianodon gigas, Pardiglanis tarabinii
- Giant Cichlid: Boulengerochromis microlepis, Petenia splendida
- Giant Clam: Tridacna gigas
- Giant Cleftclam: Conchocele bisecta
- Giant Clingfish: Haplocylix littoreus
- Giant Cockroach: Blaberus giganteus
- Giant Conebill: Oreomanes fraseri
- Giant Coolie Loach: Pangio kuhlii
- Giant Coot: Fulica gigantea
- Giant Coquina: Iphigenia brasiliana
- Giant Coral Trout: Plectropomus laevis
- Giant Coralgrouper: Plectropomus laevis
- Giant Coraltrout: Plectropomus laevis
- Giant Coua: Coua gigas
- Giant Cowbird: Scaphidura oryzivora
- Giant Crenella: Solamen megas
- Giant Cusk-Eel: Spectrunculus grandis
- Giant Damselfish: Microspathodon dorsalis
- Giant Danio: Devario aequipinnatus, Devario devario, Devario malabaricus
- Giant Dart: Scomberoides lysan
- Giant Datemussel: Lithophaga antillarum
- Giant Desert Centipede: Scolopendra heros
- Giant Devil Ray: Manta birostris, Mobula mobular
- Giant Devilray: Mobula mobular
- Giant Dottyback: Labracinus cyclophthalmus
- Giant Dwarf Gourami: Colisa fasciata
- Giant East African Snail: Achatina fulica
- Giant Eastern Murex: Hexaplex fulvescens
- Giant Eggcockle: Laevicardium elatum
- Giant Eland: Taurotragus derbianus, Tragelaphus derbianus
- Giant Electric Ray: Narcine entemedor
- Giant Estuarine Moray: Platycolaspis australis, Strophidon sathete
- Giant Fairy Shrimp: Branchinecta gigas
- Giant False Coquina: Iphigenia brasiliana
- Giant False Tun: Oocorys bartschi
- Giant False-Tun: Oocorys bartschi
- Giant Farmer Fish: Hemiglyphidodon plagiometopon
- Giant Featherback: Chitala lopis
- Giant Flatworm: Kaburakia excelsa
- Giant Floater: Anodonta grandis, Anodonta grandis grandis, Anodonta grandis simpsoniana, Pyganodon grandis, Pyganodon grandis corpulenta, Pyganodon grandis grandis, Pyganodon grandis simpsoniana
- Giant Flying Fish: Cheilopogon pinnatibarbatus, Cheilopogon pinnatibarbatus altipennis, Cheilopogon pinnatibarbatus californicus, Cheilopogon pinnatibarbatus japonicus, Cheilopogon pinnatibarbatus melanocercus, Cheilopogon pinnatibarbatus pinnatibarbatus
- Giant Forest Hog: Hylochoerus meinertzhageni
- Giant Forest Honeyeater: Gymnomyza viridis
- Giant Forest Squirrel: Protoxerus stangeri
- Giant Freshwater Crayfish: Astacopsis gouldi
- Giant Freshwater Stingray: Himantura chaophraya
- Giant Freshwater Whip Ray: Himantura chaophraya
- Giant Freshwater Whipray: Himantura chaophraya
- Giant Frog: Conraua goliath, Cyclorana australis
- Giant Frog Fish: Antennarius commerson
- Giant Frogfish: Antennarius commerson, Antennarius senegalensis
- Giant Frond-Aeolis: Dendronotus iris
- Giant Fur Seal: Arctocephalus pusillus, Arctocephalus pusillus doriferus
- Giant Fusilier: Caesio cuning
- giant Gamba Prawn: Aristaeomorpha foliacea
- Giant Gardenslug: Limax maximus
- Giant Garter Snake: Thamnophis gigas
- Giant Genet: Genetta victoriae
- Giant Ghana Tiger Snail: Achatina achatina
- Giant Ghost Shrimp: Neotrypaea gigas
- Giant Gippsland Earthworm: Megascolides australis
- Giant Girdled Lizard: Cordylus giganteus
- Giant Glass Perchlet: Parambassis gulliveri
- Giant Glassfish: Parambassis gulliveri
- Giant Goby: Gobiomorus dormitor, Gobius cobitis
- Giant Golden Mole: Chrysospalax trevelyani
- Giant Gourami: Colisa fasciata, Osphronemus goramy
- giant Gouramy: Osphronemus goramy, Trichogaster trichopterus
- Giant Green Anemone: Anthopleura artemisia, Anthopleura xanthogrammica
- Giant Green Darner: Anax walsinghami
- Giant Green Slantface: Acrida conica
- Giant Grenadier: Albatrossia pectoralis
- Giant Ground Pangolin: Manis gigantea
- Giant Grouper: Epinephelus itajara, Epinephelus lanceolatus, Epinephelus tauvina
- Giant Gudgeon: Oxyeleotris selheimi
- Giant Guitarfish: Rhynchobatus australiae, Rhynchobatus djiddensis
- Giant Gumleaf Katydid: Terpandrus splendidus
- Giant Gypsophila: Crambe cordifolia
- Giant Haplochromis: Hemitilapia oxyrhyncha
- Giant Hatchetfish: Argyropelecus gigas, Thoracocharax securis
- Giant Hawkfish: Cirrhitus rivulatus
- Giant Hermit: Petrochirus diogenes
- Giant Herring: Elops hawaiensis, Elops saurus, Tenualosa toli
- Giant Hispaniolan Galliwasp: Celestus anelpistus, Celestus warreni
- Giant Hogfish: Bodianus macrognathos
- Giant Hummingbird: Patagona gigas
- Giant Humphead Wrasse: Cheilinus undulatus
- Giant Huntsman: Heteropoda venatoria
- Giant Ibis: Thaumatibis gigantea
- Giant Ichneumon Wasp: Rhyssa persuasoria
- Giant Imperial-Pigeon: Ducula goliath
- Giant Indonesian Toad: Bufo asper
- Giant Jack: Caranx lugubris
- Giant Japanese Salamander: Megalobatrachus japonicus
- Giant Jawfish: Opistognathus rhomaleus
- Giant Kale: Crambe cordifolia
- Giant Kangaroo Rat: Dipodomys ingens
- Giant Kangaroo-Rat: Dipodomys ingens
- Giant Katydid: Stilpnochlora couloniana
- Giant Kelpfish: Heterostichus rostratus
- Giant Kermes: Allokermes grandis
- Giant Keyhole Limpet: Megathura crenulata
- Giant Killifish: Fundulus grandissimus
- Giant Kingbird: Tyrannus cubensis
- Giant Kingfish: Caranx ignobilis
- Giant Kingfisher: Megaceryle maxima
- Giant Kokopu: Galaxias argenteus
- Giant Lampfish: Candidula edetanora, Parvilux ingens
- Giant Leaf Frog: Phyllomedusa bicolor
- Giant Leaf Worm: Kaburakia excelsa
- Giant Leopard Moth: Ecpantheria scribonia
- Giant Leptocephalus: Coloconger giganteus
- Giant Lions-Paw: Nodipecten subnodosus
- Giant Long-Finned Eel: Anguilla marmorata
- Giant Long-Tom: Tylosurus crocodilus crocodilus
- Giant Longtom: Tylosurus crocodilus crocodilus
- Giant Manta: Manta birostris
- Giant Maori Wrasse: Cheilinus undulatus
- Giant Marbled Sculpin: Scorpaenichthys marmoratus
- Giant Margarite: Margarites giganteus
- Giant Marine Cat Fish: Arius dussumieri
- Giant Marine-Catfish: Arius thalassinus
- Giant Mealybug: Phenacoccus giganteus
- Giant Mekong Catfish: Pangasianodon gigas
- Giant Metalmark: Behemothia godmanii
- Giant Micronesian Gecko: Perochirus scutellatus
- Giant Mole Cricket: Gryllotalpa major
- Giant Mole Rat: Spalax giganteus
- Giant Mole Shrew: Anourosorex schmidi
- Giant Montacutid: Neaeromya floridana, Orobitella floridana
- Giant Moray: Gymnothorax javanicus, Gymnothorax pictus
- Giant Mottled Eel: Anguilla marmorata
- Giant Mud Crab: Scylla serrata
- giant Mudskipper: Periophthalmodon schlosseri
- Giant Muntjac: Muntiacus vuquangensis
- Giant Musk Turtle: Staurotypus salvinii
- Giant Naked-Tailed Rat: Uromys anak
- Giant Noctule: Nyctalus lasiopterus
- Giant Northern Peaclam: Pisidium idahoense
- Giant Nuthatch: Sitta magna
- Giant Oarfish: Regalecus glesne
- Giant Orange Tochui: Tochuina tetraquetra
- Giant Otter: Pteronura brasiliensis, Pteronura brasiliensis paranensis
- Giant Otter Shrew: Potamogale velox
- Giant Otter-Shrew: Potamogale velox
- Giant Pacific Chiton: Cryptochiton stelleri
- Giant Pacific Octopus: Enteroctopus dofleini
- Giant Pacific Scallop: Pecten caurinus
- Giant Palm Salamander: Bolitoglossa dofleini
- Giant Palm-Boring Beetle: Dinapate wrightii
- Giant Palouse Earthworm: Driloleirus americanus
- giant Pancake-Headed Catfish: Pardiglanis tarabinii
- Giant Panda: Ailuropoda melanoleuca
- Giant Pandora: Pandora wardiana
- giant Pangasius: Pangasius sanitwongsei
- Giant Perch: Lates calcarifer
- Giant Pigfish: Achoerodus gouldii
- Giant Pileworm: Neanthes brandti
- Giant Pink Perch: Nemipterus bipunctatus
- Giant Pink Star: Pisaster brevispinus
- Giant Pitta: Pitta caerulea
- Giant Pocket Gopher: Orthogeomys grandis
- Giant Prawn-Goby: Amblyeleotris fontanesii
- Giant Queenfish: Scomberoides commersonnianus
- Giant Rain Frog: Breviceps gibbosus
- Giant Rams-Horn: Marisa cornuarietis
- Giant Rat: Cricetomys emini
- Giant Rat of Sumatra: Sundamys infraluteus
- Giant Rattail: Albatrossia pectoralis
- Giant Razor Clam: Ensis siliqua
- Giant Red Sea Urchin: Strongylocentrotus franciscanus
- Giant Red Shrimp: Aristaeomorpha foliacea
- Giant Red Tail Gourami: Osphronemus laticlavius
- Giant Reef Gray: Taeniura meyeni
- Giant Reef Ray: Taeniura meyeni
- Giant Resin Bee: Megachile sculpturalis
- Giant River Carp: Probarbus jullieni
- Giant River Perchlet: Parambassis gulliveri
- Giant River Prawn: Macrobrachium rosenbergii
- Giant River-Catfish: Sperata seenghala
- Giant Rivulus: Rivulus hartii
- Giant Rock Scallop: Crassodoma gigantea, Hinnites giganteus
- Giant Rock-Scallop: Crassadoma gigantea
- Giant Sable Antelope: Hippotragus niger variani
- Giant Sailfin: Poecilia velifera
- Giant Sailfin Molly: Poecilia velifera
- Giant Salmon Catfish: Arius thalassinus
- Giant Sand Stargazer: Dactylagnus mundus
- Giant Sand Treader Cricket: Daihinibaenetes giganteus
- Giant Sandshark: Rhynchobatus djiddensis
- Giant Satyr: Taygetis mermeria
- Giant Sawbelly: Hoplostethus gigas, Hoplostethus latus
- Giant Scissortail: Rasbora caudimaculata
- Giant Scops Owl: Mimizuku gurneyi
- Giant Scops-Owl: Mimizuku gurneyi
- Giant Sea Bass: Stereolepis gigas
- Giant Sea Catfish: Arius gigas, Arius thalassinus
- Giant Sea Perch: Lates calcarifer
- Giant Sea Pike: Sphyraena jello
- Giant Sea-Perch: Lates calcarifer
- Giant Seabass: Epinephelus itajara, Stereolepis gigas
- Giant Seacatfish: Arius thalassinus
- Giant Seahorse: Hippocampus ingens
- Giant Seaperch: Lates calcarifer
- Giant Shovelnose Ray: Rhinobatos typus
- Giant Shrimp-Goby: Amblyeleotris fontanesii
- Giant Shrimpgoby: Amblyeleotris fontanesii
- Giant Silkworm: Samia cecropia
- Giant Skate: Dipturus gigas
- Giant Sleepy -Shark: Nebrius ferrugineus, Varicopeza bicanaliferum
- Giant Sleepy Shark: Nebrius ferrugineus, Varicopeza bicanaliferum
- Giant Slender Moray: Platycolaspis australis, Strophidon sathete
- Giant Snake Eel: Ophisurus serpens
- Giant Snake Head: Channa marulius
- Giant Snake-Necked Turtle: Chelodina expansa
- Giant Snakehead: Channa marulius, Channa marulius marulius, Channa micropeltes
- Giant Snipe: Gallinago undulata
- Giant Solenodon: Solenodon arredondoi
- Giant Song Sparrow: Melospiza melodia maxima
- Giant Sphinx: Cocytius antaeus
- Giant Spotted Pyrgomorph: Scutillya verrucosa
- Giant Spotted Whiptail: Aspidoscelis burti stictogrammus, Cnemidophorus burti stictogrammus
- Giant Squid: Architeuthis dux, Architeuthis martensi, Architeuthis sanctipauli
- Giant Squirrelfish: Sargocentron spiniferum
- Giant Stag Beetle: Lucanus elephus
- Giant Stargazer: Dactylagnus mundus, Kathetostoma giganteum
- Giant Stingaree: Plesiobatis daviesi
- Giant Stingray: Dasyatis brevicaudata
- Giant Stingree: Plesiobatis daviesi
- Giant Stonefish: Antennarius commerson
- Giant Stumptail Stingray: Dasyatis gigantea
- Giant Sturgeon: Huso huso
- Giant Sulphur: Colias gigantea, Colias gigantea gigantea
- Giant Sunbird: Nectarinia thomensis
- Giant Sunfish: Mola mola
- Giant Swallowtail: Papilio cresphontes
- Giant Sweetlips: Plectorhinchus albovittatus, Plectorhinchus obscurus
- giant Swiftlet: Hydrochrous gigas
- Giant Texas Skipper: Megathymus streckeri texanus
- Giant Thicket Rat: Grammomys gigas
- Giant Thicklip: Plectorhinchus albovittatus
- Giant Threadfin: Eleutheronema tetradactylum, Leptomelanosoma indicum
- Giant Tiger Prawn: Penaeus monodon
- Giant Tigerfish: Hydrocynus goliath
- Giant Toad: Bufo marinus
- Giant Toadfish: Lagocephalus sceleratus
- Giant Torrent Midge: Edwardsina gigantea
- Giant Trahira: Hoplias lacerdae, Hoplias macrophthalmus, Noetia sp
- Giant Tree Rat: Echimys grandis
- Giant Treefrog: Litoria infrafrenata
- Giant Trevally: Caranx ignobilis, Caranx sexfasciatus
- Giant Triplefin: Blennodon dorsale
- Giant Triton: Cymatium parthenopeum, Cymatium parthenopeum echo
- Giant Tun: Tonna galea
- Giant Vinegaroon: Mastigoproctus giganteus
- Giant Visayan Frog: Limnonectes visayanus
- Giant Water Bug: Lethocerus americanus
- Giant Water Lily: Victoria ’Longwood Hybrid’
- Giant Water Platter: Victoria ’Longwood Hybrid’
- Giant Water Scavenger Beetle: Hydrophilus triangularis
- Giant Waterlily: Victoria ’Longwood Hybrid’
- Giant Watrefall Damsel: Thaumatoneura inopinata
- Giant West African Snail: Archachatina marginata
- Giant Western Lyonsia: Lyonsia pugetensis
- Giant Whiptail: Cnemidophorus motaguae
- Giant White: Ganyra josephina
- Giant White-Eye: Megazosterops palauensis
- Giant White-Tailed Rat: Uromys caudimaculatus
- Giant Whitefly: Aleurodicus dugesii
- Giant Willow Aphid: Tuberolachnus salignus
- Giant Wood Wasp: Urocerus gigas
- Giant Wood-Rail: Aramides ypecaha
- Giant Wrasse: Cheilinus undulatus
- Giant Wrymouth: Cryptacanthodes giganteus, Delopesis gigantea
- Giant Yellowtail: Seriola lalandi
- Giant-Clam Shrimp: Conchodytes tridacnae
- Giant-Scaled Mullet: Liza melinoptera
- Giant-Striped Mongoose: Galidictis grandidieri
- Giantscale Mullet: Liza melinoptera, Paramugil parmata
- Gibb’s Shrew Mole: Neurotrichus gibbsii
- Gibba Turtle: Phrynops gibbus
- Gibberfish: Gibberichthys pumilus
- Gibberosa Stripestreak: Lathos gibberosa
- Gibbin-Mooar: Hyperoplus lanceolatus
- Gibbon Furrow Lobster: Justitia mauritiana
- Gibbose Cavoline: Cavolinia gibbosa
- Gibbous Shiner: Cyprinella garmani
- Gibbous Thicklip: Plectorhinchus gibbosus
- gibbs’s Shrew Mole: Neurotrichus gibbsii
- Gibbus Parrotfish: Chlorurus microrhinos
- Gibbus Sweetlips: Plectorhinchus gibbosus
- Gibel Carp: Carassius auratus auratus, Carassius gibelio
- Gibele: Carassius carassius
- Gibson’s Melissa Arctic: Oeneis melissa gibsoni
- Gidgee Skink: Egernia stokesii
- Giebel: Carassius gibelio
- Giebel Carp: Carassius gibelio
- Giffard’s Ectemnius Sphecid Wasp: Ectemnius giffardi
- Giffard’s Rhyncogonus Weevil: Rhyncogonus giffardi
- Giffard’s White Fly: Bemisia giffardi
- Gifford’s Nesotocus Weevil: Nesotocus giffordi
- Gigantura: Gigantura chuni
- Gila Bend Mealybug: Pseudococcus acirculus
- Gila Chub: Gila intermedia, Obeliscus clava
- Gila Chuckwalla: Sauromalus obesus tumidus
- Gila Monster: Heloderma suspectum, Heloderma suspectum cinctum, Heloderma suspectum suspectum
- Gila Or Apache Trout: Oncorhynchus gilae
- Gila Spotted Whiptail: Cnemidophorus flagellicaudus
- Gila Springsnail: Pyrgulopsis gilae
- Gila Topminnow: Atheta silvatica, Poeciliopsis occidentalis, Poeciliopsis occidentalis occidentalis
- Gila Trout: Oncorhynchus gilae, Oncorhynchus gilae apache, Oncorhynchus gilae gilae
- Gila Tryonia: Tryonia gilae
- Gila Woodpecker: Melanerpes uropygialis, Melanerpes uropygialis brewsteri, Melanerpes uropygialis uropygialis
- Gilbert and Cramer’s Lantern Fish: Benthosema fibulatum
- Gilbert’s Cardinalfish: Apogon gilberti
- Gilbert’s Dunnart: Sminthopsis gilberti
- Gilbert’s Flasher: Astraptes alector, Astraptes gilberti
- Gilbert’s Garden Eel: Ariosoma gilberti
- Gilbert’s Grunter: Pingalla gilberti
- Gilbert’s Halosaurid Fish: Aldrovandia affinis
- Gilbert’s Irish Lord: Clathrodrillia solida, Hemilepidotus gilberti
- Gilbert’s Large Lantern Fish: Diaphus adenomus
- Gilbert’s Potoroo: Potorous gilbertii, Potorous tridactylus
- Gilbert’s Skink: Eumeces gilberti arizonensis, Eumeces gilberti cancellosus, Eumeces gilberti gilberti, Eumeces gilberti placerensis, Eumeces gilberti rubricaudatus, Plestiodon gilberti
- Gilbert’s Spiny Flathead: Hoplichthys gilberti
- Gilbert’s Synaphobranchid Eel: Synaphobranchus affinis, Thoristella oppressa
- Gilberts Grunter: Pingalla gilberti
- Gilchrist’s Round Herring: Gilchristella aestuaria
- Gilchrist’s Scorpionfish: Scorpaenopsis gilchristi, Sphaeromatid sp
- Gilded Catfish: Zungaro zungaro
- Gilded Flicker: Colaptes chrysoides
- Gilded Goatfish: Upeneus doriae
- Gilded Hummingbird: Hylocharis chrysura
- Gilded River Cruiser: Macromia pacifica
- Gilded Tegula: Tegula aureotincta
- Gilded Trigger: Xanthichthys auromarginatus
- Gilded Triggerfish: Xanthichthys auromarginatus
- Gilded Tube-Nosed Bat: Murina rozendaali
- Gilded Wedgeclam: Mesodesma deauratum
- Gildersleeve’s Stenacron Mayfly: Stenacron gildersleevei
- Gill’s Goby: Hetereleotris georgegilli
- Gill’s Sand Lance: Ammodytoides gilli
- Gill’s Tamarix Scale: Chionaspis gilli
- Gillaroo: Salmo trutta trutta
- Gillbacker: Hexanematichthys proops, Sciades herzbergii
- Gillbacker Sea Catfish: Hexanematichthys parkeri
- Gillbar Barb: Barbus kessleri
- Gilled Lungfish: Protopterus amphibius
- Gillette’s Checkerspot: Euphydryas gillettii
- Gillette’s Kermes: Allokermes gillettei
- Gilliard’s Flying Fox: Pteropus gi
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