A puppy is born blind, deaf, and toothless.
16
Travis was a chimpanzee who socialized with humans since birth. He could log onto a computer to look at pictures, watch TV using a remote control, brush his teeth, feed hay to his owner's horses, water plants, and learned the schedule of passing ice cream trucks.
11
An average cat has 1-8 kittens per litter and can have 2-3 litters per year. During her productive life, one female cat could have more than 100 kittens. A single pair of cats and their kittens can produce as many as 420,000 kittens in just 7 years.
10
Cats and dogs can hear ultrasound.
350
Alligators can live up to 100 years.
337
In Australia, there are spiders big enough to eat snakes.
20
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19