The octopus does not have a blind spot.
273
The average housefly lives only two weeks.
39
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
Lobsters have blue blood.
476
Service dogs are trained to know when they are on duty. When their harness is on, they know they are at work. When you take it off they instantly become playful and energetic.
11
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
The Slave-Maker Ant (Polyergus Rufescens) raids the nests of other ants and steals their pupae. When these new ants hatch,they work as slaves within the colony.
109