AnimalsWholesomeVampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.4761k
AnimalsMind-BlowingMost mammals, regardless of size, have hearts that beat approximately 1 billion times over their lifetime.1972k
AnimalsMind-BlowingThe world's smallest mammal is the bumblebee bat of Thailand, weighing less than a penny.731k
AnimalsMind-BlowingCaucasian Mountain Dog (aka Russian Bear Dog) males reach over 200lb and have historically been used to hunt bears.506k
AnimalsInterestingKoalas are not bears—they're marsupials more closely related to wombats and kangaroos.48737
AnimalsWeirdThe raccoon dog is a wild animal in East Asia which looks like a raccoon but is actually a dog.383k
AnimalsWholesomeA newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.123k
AnimalsInterestingThe difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.101k
AnimalsInterestingSome bat species sleep up to 20 hours per day, making them among the longest-sleeping mammals on Earth.81k