If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
13
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
A lion in the wild usually makes no more than twenty kills a year.
186
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6