Condoms were originally made of animal intestines or linen.
347
Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
19
Alligators can live up to 100 years.
337
Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
The octopus does not have a blind spot.
273
