Publication

Ageing and Sexing Eastern Rosellas


In field studies of birds it is often necessary to age and sex individuals. Both sexes of Eastern Rosellas Platycercus eximius have similar plumage but that of adult males, particularly the red feathers of head and breast are brighter than those of females and young birds. Another differences is the two rows of spots on the underwing coverts and remiges; these are present in young birds, retained to a varying degree in adult females and lost in adult males (Lendon 1941; Smith and Brereton 1976).

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