These fish yawn — and it’s contagious

Why are these small fish yawning? Are they a) tired after a long day of swimming in funnel shapes or b) silently screaming as they’re being chased by brown pelicans and terns. The answer is... c) filtering microscopic plankton and fish larva into their mouths! These tiny fish are northern anchovies and they are our featured animal of the week! Anchovies are filter feeders that swim in large schools of thousands. Unfortunately, they are extremely vulnerable to eating microplastics, since they are

How to Stop a Yawn from Forming