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
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
The elephant brain weighs about 6,000g.
274
Jaguars frequently get high by eating hallucinogenic roots, which also increases their senses for hunting.
6
A 42-foot sperm whale has about 7 tons of oil in it.
209
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1