cats “headbutt” people because they make them feel safe, or they trust them.
when puppies play fight, boy puppies will often let girl puppies win.
the grizzly bear’s name comes from the word “grizzled” which means ‘streaked with gray hair’.
wombat poo is cube-shaped to stop it from rolling away…
dogs will sneeze to tell other dogs that they’re playing, so when they’re playing rough it doesn’t turn into a fight.
gray squirrels bury nuts all over the place, and often forget them, growing new trees. this makes them more ecologically friendly than red squirrels, who store nuts in piles on the ground which don’t take root.
infant pygmy marmosets babble to develop their language skills, similarly to the way human babies babble.
two-toed sloths cannot shiver to stay warm like other mammals due to their low metabolic rates and little muscle tissue.
yawning is infectious because it supplies a method for the most sleepy to forcefully communicate their need for rest and thus ensures that the group rests/sleeps together.
baby dolphins have spines on the sides of their tongue. the spines zip up to make a straw so that they can drink the mother’s milk without getting salt water in it.
when a rabbit is happy it will sometimes jump in the air twist it’s body. this is called a binky.
the red panda uses its long bushy tail not only for balance, but also as a blanket during chilly winter nights.
baby japanese macaques make snowballs. they do not use them for any survival purposes, they just like to have fun.
manatee calves nurse underwater from teats under their mothers flippers.
baby elephants will suck their own trunks for comfort.