Snakes keep evolving into cannibals — here's what scientists think is going on

Cannibalism has arisen in several snake lineages throughout evolutionary history. A review of over 500 reports of cannibalistic behavior in snakes finds it's appeared multiple times in different evolutionary lineages, leading researchers to hypothesize it's beneficial for snakes under certain circumstances.

A review of over 500 reports of cannibalistic behavior in snakes finds it's appeared multiple times in different evolutionary lineages, leading researchers to hypothesize it's beneficial for snakes under certain circumstances.