Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Nicole Kidman is scared of butterflies.
65
A cow produces around 200,000 glasses of milk in her lifetime.
373
The largest breed of rabbit is the Flemish Giant.
65
The reindeer is the only mammal that can see UV light.
17
Alligators can live up to 100 years.
337