Service dogs are trained to know when they are on duty. When their harness is on, they know they are at work. When you take it off they instantly become playful and energetic.
11
Rats can't vomit, that's why rat poison works.
68
Bulls are colorblind, therefore will usually charge at a matador's waving cape no matter what color it is -- be it red or neon yellow!
45
A bird 'chews' with its stomach.
33
A mole can dig a tunnel 300 feet long in just one night!
24
A marine catfish can taste with any part of its body.
38
The colossal squid has the largest eyes in the world.
4