Articles on Birds

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Birds don’t fly across wide Amazonian rivers like the Rio Negro. Marcos Amend www.marcosamend.com (for use with this article only)

Bird DNA helps explain Amazonian rivers’ role in evolution

Rivers are natural boundaries for evolving populations. But scientists don't agree whether they create new species or just help maintain them. Research using birds' molecular clocks provides some answers.
The male cardinal tenderly feeding his mate is just one example of the hard work wild animals undertake in springtime. That work often benefits humans. (Shutterstock)

How the hard work of wild animals benefits us too

Wild animals are hard at work this spring. Here's how their hard labour benefits humans, and why we should be more appreciative.

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