Dogs sometimes fake being sick to get attention.
26
The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
Gorillas can catch human colds and other illnesses.
205
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
Condoms were originally made of animal intestines or linen.
347
The colossal squid has the largest eyes in the world.
4