The largest earthworm on record was found in South Africa and measured 22 feet.
151
The seahorse is the only fish to have a neck.
12
Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
16
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
In 1955, the citizens of São Paulo were so upset with their government that they elected a rhinoceros named Cacareco (meaning rubbish) to the city council in protest, with over 100,000 votes.
18
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82