The largest breed of rabbit is the Flemish Giant.
65
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
The seahorse is the only fish to have a neck.
12