Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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When the "Elephant Whisperer" Lawrence Anthony died, a whole herd of elephants arrived at his house to mourn him.
25
The elephant brain weighs about 6,000g.
274
There's a rare breed of pig that looks like a sheep.
14
The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
12
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
10