The colossal squid has the largest eyes in the world.
4
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
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
Condoms were originally made of animal intestines or linen.
347
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2