When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
10
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Rattlesnake mating sessions have been known to last more than 22 hours.
232
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
All pandas are ‘owned’ by China. They rent them out to zoos for $1mil/year each with minimum of 10 years.
16
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14