When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
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
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13