A duck's quack doesn't echo, and no one knows why.
173
Elephants are the only animals that can't jump.
1
Rats can tell the difference between two human languages.
49
The male praying mantis cannot copulate while its head is attached to its body. The female initiates sex by ripping the males head off.
85
All the pet hamsters in the world are descended from a single wild golden Hamster found in Syria in 1930!
34
Catgut comes from sheep not cats.
11