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
The Basenji dog is the only dog that is not able to bark.
4
A group of pugs is called a grumble.
10
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Alligators can live up to 100 years.
337
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6