A clever tropical fish has flipped how biologists are thinking about memory, brains and visual recognition in the animal ...

Crows don’t just remember humans. Here’s a breakdown of how they form opinions, assign reputations and teach each other who to trust. If you’ve ever felt like a crow was watching you a little too ...

I recently received a note from a dog trainer that I first met at a meeting of the International Association of Canine Professionals (IACP). She wrote, in part: "I was teaching a beginners dog ...