Domestic pigs average a top speed of about 11 miles per hour.
182
Sharks have been on the planet longer than trees.
14
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
Early American humans hunted car-size armadillos and used their shells for houses.
12
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1
Dolphins have names for one another.
18
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13