A tiger walks the same worn groove along the edge of its exhibit like a broken record. A parrot methodically plucks out its own feathers until bare skin shows through. To a casual visitor, these can ...

Wild animals are increasingly adjusting to urban environments through a process known as synurbization. That's an undoubtedly bad sign — and serves as a warning for how much nature has been damaged by ...

When people adopt a puppy, they assume their new furbaby is going to bring joy to their lives. Usually, this is the case—but there are exceptions. Take Sarah and Ian Coe, a married couple I ...

Dear Cathy, I just got two little kittens. One ended up with diarrhea and did not make it to the litter box. He has been to ...

When the environment changes dramatically, animals from mollusks to crows can make big changes in their behavior that enable ...

Never underestimate the mind of a crow. Members of a family of birds that includes ravens, rooks, magpies, and jays, crows have been known to bend wire into hooks to retrieve food; drop nuts in a road ...