Australia’s crimson rosella parrots, beauty and disease


This video says about itself:

This morning’s delegation of Crimson Rosellas (Platycercus elegans) at Banksia Cottage, one of the Bunjaree Cottages near Wentworth Falls in the Blue Mountains, 100km west of Sydney, Australia.

From Wildlife Extra:

Colours of the Crimson Rosella parrot reveal a deadly secret

The crimson rosella parrot are [sic] immune to Beak and Feather Disease

The vibrant colours of Australia’s Crimson Rosella parrot might not in fact be quite as they seem. The colours covering its feathers could be the result of a virus that is known to kill other species.

A research team from Deakin’s Centre for Integrative Ecology (CIE) and School of Medicine carried out an eight-year study of the Crimson Rosella and subspecies across New South Wales, Victoria, and South Australia.

The Beak and Feather Disease Virus that the Crimson Rosella carry around so proudly in the colour of their feathers is surprisingly deadly in other parrot species. As such, the Australian Government have listed the Beak and Feather Disease Virus as a key threat to biodiversity under the Environment Protection and Biodiversity Conservation Act 1999. Justin Eastwood, Deakin CIE PhD student who worked on the project, explains: “The virus is only found in parrots; it’s no danger to humans, but the danger it presents to parrots seems to vary from species to species and it can be pretty nasty.”

The results, which were published in Proceedings of the National Academy of Science USA journal, could have important implications for managing disease in Australia’s unique wildlife. Project author and CIE researcher Dr Mathew Berg explains, “Our research results are not only good news for Crimson Rosellas, but we now have a good model species with which to study the disease, which is extremely important if we are to minimise its impact on the world’s parrot population.”

The research team aim to better understanding how disease and wildlife interact and co-evolve, and will be working with Zoos Victoria, the Geelong Centre for Emerging Infectious Disease, Charles Sturt University and Biosecurity Victoria to investigate disease ecology and conservation in Australian parrots.

See also here.

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6 thoughts on “Australia’s crimson rosella parrots, beauty and disease

  1. Pingback: Australian parrots’ beaks and global warming | Dear Kitty. Some blog

  2. Pingback: Parrots are most-threatened bird group | Dear Kitty. Some blog

  3. Pingback: Budgerigars’ colours, new study | Dear Kitty. Some blog

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