The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10
On some poorly researched trivia lists it is stated as a fact that a pregnant goldfish is called a twit. This is not true as goldfish lay eggs.
71
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9