Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Dogs sometimes fake being sick to get attention.
26
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4