The head of a jellyfish is called the "Bell."
6
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
Cats recognise the voice of their owner, but never evolved to care.
22
The octopus does not have a blind spot.
273