Crows are often considered among the most intelligent bird species in the world, due in part to having the largest brain-to-body ratio of all birds. These members of the Corvus genus mate for life, ...

Crows are fascinating birds. They're wildly smart, hold funerals for each other, and can hang on to a grudge with the best of 'em. Of course, they also travel in noisy packs, can uproot your lawn, and ...