The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
Only 3% of bird species have penises.
0
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
Cats and dogs can hear ultrasound.
350
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
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