Ducks will only lay eggs early in the morning.
36
A female ferret will die if it goes into heat and cannot find a mate.
143
The two oldest cats on record lived to 38 and 34 years old, both were owned by the same owner and lived off a diet of bacon, eggs, broccoli and coffee.
12
On average, it takes 660 days from conception for an elephant to give birth.
19
To escape the grip of a crocodile's jaws, push your thumbs into its eyeballs. It will let you go instantly.
155
Rats can tell the difference between two human languages.
49
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19