There are approximately three chickens for every human on Earth.
13
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
A group of unicorns is called a blessing.
304
Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
19
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
Condoms were originally made of animal intestines or linen.
347
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