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Forget blue whales, redwood trees and aspen groves. There’s a new biggest organism in town. It’s a huge patch of seagrass, the size of about 20,000 rugby fields. And it’s been hiding in plain sight in Shark Bay, at the western tip of Western Australia!

By Natalie Kikken Did you know that nails grow on a turtle’s flippers? At Ningaloo Reef, Western Australia, turtle nail clippings are providing new and exciting insights. CSIRO scientists can work out what turtles eat by analysing the chemicals in these nail samples.

Written by Beth Askham Even though it has the cutest smile in the marsupial world, quokkas still need a good supply of food, water and rest spots to survive. The biggest population of these adorable marsupials live on Rottnest Island off the coast of Perth in Western Australia.