Flamingos can only eat with their heads upside down.
38
Dogs sometimes fake being sick to get attention.
26
Most tropical marine fish could survive in a tank filled with human blood.
54
Frogs sometimes eat enough fireflies that they themselves glow.
71
The average housefly weighs 10 to 15 millionths of a pound.
33
Moths are unable to fly during an earthquake.
328
The female pigeon cannot lay eggs if she is alone. In order for her ovaries to function, she must be able to see another pigeon.
65