Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
One in three dog owners say they have talked to their pets on the phone.
427
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9
Sheep, goats, octopuses, and toads have rectangular pupils.
7