All of these birds were observed for 12 days during their lunchtime. “We observed seven out of 18 cockatoos dunking food in the water. They dunked three food types: rusk, dried banana chips ...

Sulphur-crested cockatoos are a familiar, squawking, presence across much of Australia and Melanesia. But according to a genetic study, they are actually two separate species. And while one of those ...