Hoary redpoll (Acanthis hornemanni)

Wikipedia: Hoary redpoll Source: OTHER 1200px-Arctic_Redpoll_%28Acanthis_hornemanni%29_%2813667519855%29.jpg
Classification: Genus Redpolls (Acanthis); Subfamily Carduelinae; Family Fringillidae
This bird appears across the great seas in the following continents: Europe, North America.
General: The Arctic redpoll or hoary redpoll (Acanthis hornemanni) is a bird species in the finch family Fringillidae. It breeds in tundra birch forest. It has two subspecies, A. h. hornemanni (Greenland or Hornemann's Arctic redpoll) of Greenland and neighbouring parts of Canada, and A. h. exilipes (Coues' Arctic redpoll), which breeds in the tundra of northern North America and the Palearctic. Many birds remain in the far north; some birds migrate short distances south in winter, sometimes travelling with common redpolls. [more]
Vocalization: Very similar to Common Redpoll, but possibly with a softer tone and slightly longer pauses between each syllable. See Common Redpoll. [Link]
Physical details: length=13-15 cm, wingspan=21-27 cm, weight=10-16 g

🔍 No documented observation