Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
A group of unicorns is called a blessing.
304
Cat families usually play best in even numbers. Cats and kittens should be acquired in pairs whenever possible!
156
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
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