When cats are happy, they may squeeze their eyes shut.
10
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
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
A puppy is born blind, deaf, and toothless.
16
The seahorse is the only fish to have a neck.
12