All clams start out as males; some decide to become females at some point in their lives.
50
Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10
Contrary to popular belief, dogs do not only sweat by salivating. They also sweat through the poors on their feet.
30
The 'vintage date' on a bottle of wine indicates the year the grapes were picked, not the year of bottling!
38
Only male fireflies can fly.
46
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
The octopus' testicles are located in its head.
82
A domestic cat can sprint at about 31 miles per hour.
274