Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
Drivers kill more deer than hunters do.
660
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
A tortoise named Adwaita lived to 255 years old. To put it into perspective, he was born before the United States of America existed and his death was announced on CNN (1750-2006).
12
Only 3% of bird species have penises.
0
The oldest creature ever found was Ming the clam at an admirable 507 years old.
16