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
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12