Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
When you shave a guinea pig it looks like a little hippo.
19
A dairy cow can produce more milk when listening to music.
446
When dragonflies mate, their tails form a love heart.
22