Скачать или смотреть Check Out The Blue Morph Snow Goose!

Not all Snow Geese are white with black-tipped wings. In this video, learn about the Blue Goose! Filled with videos of Snow Geese in flight and on the ground, you’ll see a variety of colors as you listen to Snow Geese calls. If you want to watch without hearing the narration, turn on the closed captions and follow along.
For those of you who are interested in the genetics of this, here is an explanation that I couldn’t fit into the video:
The dark color of the blue morph Snow Goose is controlled by a single gene, with dark being partially dominant over white. If a pure dark goose mates with a white goose, the offspring will all be dark (possibly with white bellies).
If two white geese mate, they have only white offspring. If two dark geese mate, they will have mostly dark offspring, but might have a few white ones too.
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All photos and videos credit to Wondering About Nature