Scientists to build avian tree of life (Image 3)

A female red-headed barbet (Eubucco bourcierii). [Image 3 of 3 related images. Back to Image 1.]

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Birds -- the only surviving descendants of dinosaurs -- are used to study a large range of fundamental ...This is an NSF Multimedia Gallery item.

Source: NSF Multimedia Gallery - July 20, 2018 Category: Science Source Type: video