Pigs can be trained to play video games with their snouts.^[1]

Human drugs often end up washing from sewers into rivers, which can alter animals' natural behaviours.^[1]

In 2011, scientists discovered that the rats lace their fur with a deadly poison.^[1]

Escobar's pet hippos were left behind when his private zoo closed, and they've flourished in the decades after his death.^[1]

Rabbit Hash, Kentucky, has a peculiar tradition of electing canine candidates.^[1]

The grizzly bears' strategy could help prevent muscle atrophy in humans as well.^[1]

The Swiss say it's cruel and lobsters can sense pain.^[1]

Octopuses can sometimes suffer from autophagy, or self-cannibalism.^[1]

The nymphs, called spittlebugs, make the foam, although it isn't actually spittle.^[1]

Cuba's extinct giant owl, Ornimegalonyx, was the largest owl that ever lived.^[1]

It took 48 different pigs to play the role of babe.^[1]

Coming in many shapes, colors, and sizes, strange mouth markings might aid in chick survival.^[1]

It goes against what we think mammals should be able to do.^[1]

It's a known fact that lobsters fall in love and mate for life.^[1]

Yoshi is a loggerhead turtle who was released off the Cape Town coast in 2017.^[1]

Once mating season is over, the Parks said the snakes should go their separate ways. ^[1]

Rare mutation on an octopus that causes its tentacles to branch.^[1]

Meet the tongue-eating isopod, Cymothoa exigua. This marine parasite feasts on a fish's tongue and then becomes its tongue.^[1]

Bees make bee glue (propolis) by mixing saliva and beeswax with tree sap or similar.^[1]

Giant panda babies are born weirdly tiny and underdeveloped.^[1]