Rattlesnake mating sessions have been known to last more than 22 hours.
232
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
All pandas are ‘owned’ by China. They rent them out to zoos for $1mil/year each with minimum of 10 years.
16
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
When cats are happy, they may squeeze their eyes shut.
10
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
The seahorse is the only fish to have a neck.
12