Billy goats urinate on their own heads to smell more attractive to females.
31
Frogs cannot swallow without blinking.
41
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
Squirrels forget where they hide about half of their nuts.
698
Emus and kangaroos cannot walk backwards.
26
Catgut comes from sheep not cats.
11
The flea can jump 350 times its body length, that is like a human jumping the length of a football field.
32