Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
Denmark has twice as many pigs as there are people.
66
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
16
One in three dog owners say they have talked to their pets on the phone.
427
Lobsters have blue blood.
476
Tigers can see 6 times better at night than humans.
305