The station master and operating officer at the Kishi Station, Japan, is a cat!
18
A dairy cow can produce more milk when listening to music.
446
Cats and dogs can hear ultrasound.
350
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23