One litter of kittens can be produced by more than one father.
57
A group of kittens is called a "kindle".
10
When cats are happy, they may squeeze their eyes shut.
10
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
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
Baby rabbits are called kittens.
6
A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10