Lobsters have blue blood.
476
Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
16
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
The reindeer is the only mammal that can see UV light.
17
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19