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
Alligators can live up to 100 years.
337
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
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