Squirrels forget where they hide about half of their nuts.
698
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
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
When cats are happy, they may squeeze their eyes shut.
10
Cows can sleep standing up, but they can only dream lying down.
745
The head of a jellyfish is called the "Bell."
6
The seahorse is the only fish to have a neck.
12
A dairy cow can produce more milk when listening to music.
446