Hardly. Plenty of species exhibit cannibalism; see certain spiders and praying m...

cookiecaper · on April 10, 2017

Correct, I don't mean to imply that no species are cannibalistic; as you note, some instances are well-known.

Nevertheless, cannibalism can be a real risk for some species and adaptations to prevent it are useful, especially in the case of mammals.

sqeaky · on April 10, 2017

A hard to detect and easy to mis-attribute wasting disease is not an adaption.