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Evolution6841 articles archived since 1845

For Some Crows, Migration Is Optional

Crows are what's known as "partial migrants"—as cold weather approaches, some crows fly south whereas others stay put. And that behavior appears to be ingrained. Christopher Intagliata reports. 

August 16, 2018 — Christopher Intagliata

Birds Learn Safety from Other Kinds of Birds

Birds become good at avoiding danger by eavesdropping on the alarm calls of other birds—and the learning occurs without even seeing their peers or predators. Christopher Intagliata reports. 

August 2, 2018 — Christopher Intagliata

Why Do Facts Fail?

Why Do Facts Fail?

Deconstructing Denial