Tarantulas are hairy so that the army ants cleaning their homes don't eat them alive, a new study suggests. The study, published Aug. 6 in the Journal of Natural History, proposes several new ...

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 ...