Animals have evolved to eat a lot of different things, even stuff that barely passes for food, and it shapes our entire lives from what we look like to where we live. Today, we’ll talk about why being ...

Critters consuming species that harbor deadly toxins have evolved a suite of clever strategies to keep out of harm’s way.

At 5 a.m., six keepers file into the Houston Zoo's commissary kitchen and spend the next five hours chopping produce, portioning meat and weighing hay. By the time the rest of the zoo staff arrives, ...

A bed bug’s diet consist of blood – including humans, bats, birds, rodents, pets and all warm-blooded animals. Discover which ...

BUFFALO, N.Y. — Starch, a complex carbohydrate, is a vital source of nutrition for many mammals. Humans farm it in the form of rice, wheat, corn, potatoes and oats. Rats comb our garbage piles for ...

Bears, wild boars and dogs are the most likely acorn-gulping culprits; most other animals soften and chew them.

Periodical cicadas are picky eaters, but many other creatures gladly gobble them up. Here's what to know about the "movable feast" arriving this month. Over a trillion of the loud, buzzing insects ...