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 ...

Beak and feather disease virus (BFDV) in wild parrot populations has been detected in eight new countries, raising concerns for threatened species. This highlights the need for greater awareness of ...

A deadly virus that plagues parrots, destroying their feathers and immune systems, has recently been detected in eight countries where it was previously unknown, raising concerns for the long-term ...

Researchers have found beak and feather disease virus (BFDV) in wild parrots from eight new countries. BFDV spreads through captive parrots worldwide, but its prevalence in wild species is unknown.