Only 3% of bird species have penises.
0
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
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The elephant brain weighs about 6,000g.
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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.
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Travis was a chimpanzee who socialized with humans since birth. He could log onto a computer to look at pictures, watch TV using a remote control, brush his teeth, feed hay to his owner's horses, water plants, and learned the schedule of passing ice cream trucks.
11
Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
2
Alligators can live up to 100 years.
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