Q. Why don't hawks fight back when crows mob them? They seem almost indifferent to the attacks, like one I saw yesterday. He just sat at the top of the tree as the crows dove at him. He didn’t budge.

Fleeing isn’t the only way by which songbirds can protect themselves against predators. Many songbird species are known to engage in mobbing, where they gather aggressively around a bird of prey, ...

Q. Why don't hawks fight back when crows mob them? They seem almost indifferent to the attacks, like one I saw yesterday. It just sat at the top of the tree as the crows dove at him. He didn’t budge ...

Three spotted hyenas surround a lioness. Credit: Brittany Gunther, available under a CC BY 4.0 DEED license. After more than 35 years of surveillance, Michigan State University researchers are ...

Mobbing is a defensive behavior birds undertake to protect their nest or young from potential predators. Individual birds may go after another bird, mammal, snake, or even vehicle. But that’s not ...

When Risto Miikkulainen and Padmini Rajagopalan simulated hyenas forming mobs to steal prey from lions, they found something surprising. Evolutionary biologists never have enough time. Some of the ...

Reed warblers use mobbing as a front line of nest defense against parasitic cuckoos, according to a new report published online on January 29th in Current Biology, a Cell Press publication. Cuckoos ...

Research reveals strong social relationships make hyenas more likely to team up against lions, even when there's no obvious benefit. After more than 35 years of surveillance, Michigan State University ...