Only male fireflies can fly.
46
Emus and kangaroos cannot walk backwards.
26
Contrary to popular belief, dogs do not only sweat by salivating. They also sweat through the poors on their feet.
30
All the swans in England are property of the Queen.
36
There are over 58 million dogs in the U.S!
76
Roosters can't crow if they can't fully extend their necks.
28
Crocodile babies don't have sex chromosomes; the temperature at which the egg develops determines gender.
45
Flamingos pee on their legs to cool themselves off.
49