Bird Song and Parallel Evolution: learning from our feathered friends
10,000 Birds
APRIL 21, 2011
This kind of vocalization may have evolved a few different times, though I for one am not going out on a limb to explain what some call “songs&# in hummingbirds or parrots. The templates can be discovered by raising birds in the absence of adult song, and they often sound very little like the normal final product.
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