When dragonflies mate, their tails form a love heart.
22
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
The reindeer is the only mammal that can see UV light.
17
A puppy is born blind, deaf, and toothless.
16
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10