The seahorse is the only fish to have a neck.
12
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Cats and dogs can hear ultrasound.
350
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Squirrels forget where they hide about half of their nuts.
698
Ants have tiny magnetic compasses in their antennae which help them navigate.
9