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
The octopus does not have a blind spot.
273
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8