A group of frogs is called an army.
51
Cats make over 100 different vocal sounds; dogs can make about ten.
26
The Chow and the Chinese Shar-Pei are the only dogs that have black tongues.
32
The smallest known dinosaur is Compsognathus.
113
Cats lose almost as much fluid in the saliva while grooming themselves as they do through urination!
205
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
When dragonflies mate, their tails form a love heart.
22
A killer whale's heart beats 30 times a minute under water, 60 times a minute on the surface.
30