Crocodile babies don't have sex chromosomes; the temperature at which the egg develops determines gender.
45
Cats cannot taste sweet things.
22
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
Dolphins have names for one another.
18
The pea aphid insect explodes itself thereby sacrificing its life to protect its relatives from predators.
3
Bluebirds cannot see the color blue.
40
Jellyfish as a species are actually older than dinosaurs and sharks.
383