There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
Dogs sometimes fake being sick to get attention.
26
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212