Ageing and sexing Eastern RosellasWyndham, EBrereton, J.Le G
A major difference between Eastern Rosellas and the taxonomically related Budgerigar Melopsittacus undulatus is that Eastern Rosellas moult regularly after breeding, while Budgerigars moult continuously, even when breeding. Budgerigars moult into pre-adult and adult plumages at a younger age than do ...
ROSELLAS; A U.S. VIEWPOINT: The Eastern Rosella in the US.Dale R. Thompson
The Eastern Rosella, a more ground-feeding species, ate the fruits and seeds (and to a lesser extent the flowers) of eighty-two plants; the Pale-headed Rosella, more arboreal, forty-seven. Seasonal variation in the diet was evident, although only a few foods were important for each ...
HYBRIDIZATION OF EASTERN AND CRIMSON ROSELLAS I N OTAGOHamel, J
(2014a) Clinical beak and feather disease virus infection in wild juvenile eastern rosellas of New Zealand; biosecurity implications for wildlife care facilities. New Zealand Veterinary Journal 62, 297-301.Jackson B, Harvey C, Galbraith J, Robertson M, Warren K, Holyoake C, et al. Clinical ...