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
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
Squirrels forget where they hide about half of their nuts.
698
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2