Mount Etna (Sicily, Italy) just erupted and has created a pyroclastic flow

This is What It’s Like When Sea Lions Swarm You on a Dive [OC]

these are the Mexican free-tailed bats of Bracken Cave in San Antonio, Texas. It is the largest bat colony in the world, at an estimated 15-20 million strong.

Net casting spiders (Deinopidae) make a special kind of stretchy web to ensnare prey