The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
Condoms were originally made of animal intestines or linen.
347
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
2
Dolphins have names for one another.
18