Thursday, January 20, 2011

Two Common Ravens and a Pine Grosbeak - birds with a circumboreal distribution.

[click on photo to enlarge]
This is a very typical scene in our backyard. It includes two species (Common Raven and Pine Grosbeak) and a distinctive genus (birch -  Betula) which can be found together in Canada, Greenland, Scotland, Finland, Russia, Mongolia and China and elsewhere.

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