- the only continent without reptiles or snakes is Antarctica
Australia has the largest sheep population
greyhounds can reach speeds of up to 67kph (42mph)
you can tell the sex of a horse by its teeth (most males have 40, females 36)
sharks never stop moving even when they sleep or rest
greyhounds can see better than any other dog breed
when 2 zebras stand side by side they usually face each other in opposite directions to keep an eye out for predators