Herons using bread or insects as bait to catch fish, carrion crows dropping nuts onto roads so passing cars crack open their shells and great cormorants timing their fishing periods in New Zealand ...

Carrion crows are all black, while hooded crows have patches of gray. Each group prefers to mate with their own color. It sounds like what humans would call racism, but instead it’s a lesson in ...

* Description: Crows are large birds, growing up to 50 cm long with a wingspan of 104 cm. They have entirely black plumage and black eyes. Two species are common in Japan, the carrion crow and the ...

Researchers studied four bird nests from European cities — built by carrion crows and Eurasian magpies — made out of anti-bird spikes and strips usually found on urban buildings ...

Crows can vocally count up to four. The intelligent birds recognize and react to numbers in a process similar to that of human cognition, according to a new study.

The study includes more than 3,800 novel behaviors among 8,600 species of birds, and concluded that extinction risk decreases as the number of new behaviors increases.

By Scottie Andrew, CNN (CNN) — Perhaps “birdbrained” isn’t such an insult after all –– crows, the ubiquitous urban bird, can vocally count up to four, the latest research has found ...