Animals often get labeled as either predators or prey. But in the wild, survival isn’t always a one-animal job. Some species form partnerships that help them find food, avoid danger, or raise young.

Some animals use a fascinating survival trick called thanatosis, or playing dead, to escape predators. This behaviour ...

Aggressive or Peckhamian mimicry, named after arachnologist Elizabeth G. Peckham, is the classic ‘wolf in sheep’s clothing’, when the mimic pretends to be harmless to dupe its mark.