MOULT BY THE GALAH Cacatua roseicapilla IN THE WHEATBELT OF WESTERN AUSTRALIA
| Posted: |
16/09/2021 |
| Author(s): |
Ian Rowley |
Primary moult by the Galah in the Western Australian wheatbelt extended over 155 to 1 85 days
in 1972. Immature nonbreeding birds started earlier (October) and took longer (185 days) than adults.
Breeding birds started to moult in November after most progeny were feathered but before they had
fledged. Females took less time to moult than males, but started later so that both sexes (immatures
and adults) tended to finish the moult at a similar time, in April. Primary No. 6 was the first to be
renewed, and moult proceeded ascendently and descendently, simultaneously.
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