A kangaroo cannot jump if its tail is off the ground.
29
Most domestic turkeys are so heavy they are unable to fly.
114
The technical term for a cat’s hairball is a “bezoar.”
117
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Roosters can't crow if they can't fully extend their necks.
28
All the pet hamsters in the world are descended from a single wild golden Hamster found in Syria in 1930!
34
A blue whale's aorta (the main blood vessel) is large enough for a human to crawl through.
52