Crows can be a real nuisance around a bird feeder, bullying smaller birds and even preying on the smallest. Due to their large appetites and social nature, a crow can call its friends to finish ...

A crow’s brain may seem small, but in relation to the size of the bird, a crow’s brain is comparable to the size of our own. This large brain mass gives them intelligence unmatched by other birds.

The species are primarily scavengers, but the RSPB (Royal Society for the Protection of Birds) said they will also attack smaller birds ... chased off by a group of crows. Ornithologists describe ...