Cats and dogs can hear ultrasound.
350
A group of kittens is called a "kindle".
10
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
A dork is a whale's penis.
327
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
The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
12