Tarantulas' hairy bodies protect against the scavenging, spider-eating army ants that clean their nests, scientists say.

They typically eat nectar, seeds, fungus, or insects. However, some species have diets that are more unusual. Army ants, with their large mandibles and painful stings, may prey on reptiles ...

Despite their extensive defensive arsenal, nothing seems to consistently eat them, nor are velvet ants aggressive predators themselves, says Joseph Wilson, an evolutionary ecologist at Utah State ...