Snowy Owl
The Snowy Owl (Bubo scandiacus) is a large, white owl of the typical owl family. Snowy Owls are native to Arctic regions in North America and Eurasia. Younger Snowy Owls start with darker plumage, which turns lighter as they get older. Males are almost all white, while females have more flecks of gray plumage.
For more info:
en.wikipedia.org/wiki/Snowy_owl