The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
12
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
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