Birds worldwide share a unique alarm call to warn each other about brood parasites like cuckoos. This vocalization, a blend ...

Crows are highly intelligent. They can recognize faces, hold grudges, and even recognize cars. Crows cache food, and will move it if another creature sees them hiding it. They use tools, and fashion ...

It’s a fascinating question that intrigues millions of pet owners, animal lovers, veterinarians and scientists all over the world: Just how smart are animals? Scientists once believed a brain with ...