Humans, there’s a term you better learn if you want to continue your domination of planet earth: “anthropogenic destruction.” Otherwise, it’s our turn.
Certain animals and geographic regions have been hit hardest. The largest animals—”megafauna” in biologist lingo—such as elephants, rhinoceroses, polar bears, and other mammals, have slow reproductive rates and require large habitats.
Take the big animals out of the food chain, and what are you left with?
Rats.