The seahorse is the only fish to have a neck.
12
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
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
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17
The male seahorse carries babies and 'gives birth' to them instead of the female.
7