There's a rare breed of pig that looks like a sheep.
14
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Dolphins have names for one another.
18
On some poorly researched trivia lists it is stated as a fact that a pregnant goldfish is called a twit. This is not true as goldfish lay eggs.
71
Mosquitoes don't just bite you, they also pee on you.
11
Squirrels forget where they hide about half of their nuts.
698