A group of kittens is called a "kindle".
10
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Jellyfish as a species are actually older than dinosaurs and sharks.
383
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
A scorpion can hold its breath for up to 6 days.
19
By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
9
Cats and dogs can hear ultrasound.
350
Mahatma Gandhi used to travel with his goat so that he could have fresh milk.
11