There’s a terrifying species that spreads rapidly, breeds prolifically and eats hundreds of plants. But the first research into the actual harm caused by giant African land snails found … not much.
Peter Green joins the millions of Christmas Island red crabs in their migration.
Greg Miles
Matt Smith speaks with La Trobe University's Peter Green about the Christmas Island red crab's battle with the recently introduced yellow crazy ant and how a parasitical wasp could be the key to its survival.
Red crabs migrate across Christmas Island in their thousands each year.
Ian Usher/Wikimedia