Cats and dogs can hear ultrasound.
350
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27
A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
Sheep, goats, octopuses, and toads have rectangular pupils.
7
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Mahatma Gandhi used to travel with his goat so that he could have fresh milk.
11
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2