Crimson rosellas are small parrots that are as colorful as their name. These bright, blue-cheeked birds are native to the Australian coast but can be kept as visually stunning pets. Crimson rosellas ...

Despite its name, the Crimson Rosella is perhaps Australia’s most colour-variable bird and a cause of this striking and beautiful diversity seems to be a disease that’s potentially deadly to many ...

Add articles to your saved list and come back to them any time. Crimson, yellow and orange rosellas may owe their vibrant colouring to the presence of a deadly virus that threatens the existence of ...