A scorpion can hold its breath for up to 6 days.
19
Alligators can live up to 100 years.
337
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 elephant brain weighs about 6,000g.
274
The colossal squid has the largest eyes in the world.
4