Cats and dogs can hear ultrasound.
350
Lobsters have blue blood.
476
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
A domestic cat can sprint at about 31 miles per hour.
274
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268