Tigers can see 6 times better at night than humans.
305
Only 3% of bird species have penises.
0
Cats and dogs can hear ultrasound.
350
A 42-foot sperm whale has about 7 tons of oil in it.
209
The colossal squid has the largest eyes in the world.
4
When dragonflies mate, their tails form a love heart.
22
One in three dog owners say they have talked to their pets on the phone.
427