Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Jellyfish as a species are actually older than dinosaurs and sharks.
383
There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
40
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9