The cat brain weighs about 30g.
167
Domestic pigs average a top speed of about 11 miles per hour.
182
The 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.
10
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8