Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
A scorpion can hold its breath for up to 6 days.
19
The Basenji dog is the only dog that is not able to bark.
4
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
Dogs sometimes fake being sick to get attention.
26
The seahorse is the only fish to have a neck.
12