A tiger walks the same worn groove along the edge of its exhibit like a broken record. A parrot methodically plucks out its ...

A guanaco successfully retrieves food from a cup with a lid. Trimmed from Caicoya et al. via Proceedings of the Royal Society B under CC BY 4.0 Hoofed animals that are outsiders in their social groups ...

What are big brains for? One idea, originally proposed to explain larger brain sizes in primates, is that animals that live in large groups evolved bigger brains to manage their complex social lives.

A researcher at the Texas A&M College of Veterinary Medicine and Biomedical Sciences (VMBS) has found that more than 99% of dogs in the United States show behaviors that are potentially problematic, ...