This species has a large range, with an estimated global extent of occurrence of 10,000,000 km². It has a large global population estimated to be 97,000,000 individuals (Rich et al. 2003). Global population trends have not been quantified, but the species is not believed to approach the thresholds for the population decline criterion of the IUCN Red List (i.e., declining more than 30% in ten years or three generations). For these reasons, the species is evaluated as Least Concern. (Ref. 74045)
Native: Austria; Azerbaijan; Belarus; Belgium; Bermuda; Bulgaria; Canada; China; Czech Republic; Denmark; Estonia; Faroe Islands; Finland; France; Germany; Greenland; Hungary; Iceland; Japan; Kazakhstan; Korea, Democratic People's Republic of; Korea, Republic of; Latvia; Liechtenstein; Lithuania; Luxembourg; Moldova, Republic of; Mongolia; Netherlands; Norway; Poland; Romania; Russian Federation; Saint Pierre and Miquelon; Serbia; Slovakia; Svalbard and Jan Mayen; Sweden; Switzerland; Ukraine; United Kingdom; United States; Uzbekistan
Introduced: Australia; New Zealand
Vagrant: Bahamas; Bosnia and Herzegovina; Croatia; Cyprus; Iraq; Ireland; Italy; Jamaica; Malta; Portugal; Slovenia; Spain; Turkey (Ref. 74045) (Ref. 74045)
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United States: (Alaska Alabama Arkansas California Colorado Connecticut District Of Columbia Delaware Iowa Idaho Illinois Indiana Kansas Kentucky Massachusetts Maryland Maine Michigan Minnesota Missouri Mississippi Montana Nebraska North Carolina North Dakota New Hampshire New Jersey Nevada New York Ohio Oregon Pennsylvania Rhode Island South Carolina South Dakota U.S. Virgin Islands Utah Vermont Washington Wisconsin West Virginia Wyoming)
Australia Austria Azerbaijan Bahamas Belarus Belgium Bermuda Bosnia and Herzegovina Bulgaria China Croatia Cyprus Czech Republic Denmark Estonia Faroe Islands Finland France Germany Greenland Hungary Iceland Iraq Ireland Italy Jamaica Japan Kazakhstan Latvia Liechtenstein Lithuania Luxembourg Malta Moldova Mongolia Netherlands New Zealand Norway Poland Portugal Romania Russia Saint Pierre and Miquelon Serbia and Montenegro Slovakia Slovenia Spain Svalbard and Jan Mayen Sweden Switzerland Turkey Ukraine United Kingdom United States Uzbekistan