This week, experts announced that an estimated one billion animals in Australia have died from the wildfires, including thousands of koalas. Maria Pasquini is a Senior News Editor for PEOPLE, covering ...

Add Yahoo as a preferred source to see more of our stories on Google. Have you ever heard the mating call of a koala? I didn't even know that koalas had mating calls, so hearing it for the first time ...

During mating season, the usually quiet koala community comes alive with deep, choppy growls made by males advertising their goods. Limited time: Save 25% on NBC News subscription Get exclusive ...

Australian wildlife staff needed a crane to rescue a lovelorn female koala who escaped from her enclosure at the start of her first mating season, impatient to find a partner. Irene the koala was ...