Dolphins have names for one another.
18
Cats and dogs can hear ultrasound.
350
Only 3% of bird species have penises.
0
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132