Callocephalon fimbriatum

Gang-gang Cockatoo at Calwell, ACT

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Identification history

Callocephalon fimbriatum 24 Jul 2025 MichaelMulvaney
Callocephalon fimbriatum 24 Jul 2025 CarbonAI
Callocephalon fimbriatum 24 Jul 2025 ROWLAD
Callocephalon fimbriatum 24 Jul 2025 ROWLAD

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A pair of Gang-gangs feeding on eucalypt blossom/buds.

4 comments

ROWLAD wrote:
   24 Jul 2025
A pair of Gang-gangs has been feeding on eucalypt blossom/buds in the tree near our house for some weeks. We have only observed one pair and we presume they are the same birds for each observation. The eucalypt seems to be a E. olsenii, obviously a planted specimen. The main photograph, though poor, was the best I could do with my iPhone, with the image subsequently cropped on my computer. The two additional images were taken by my wife with her camera, which has a much better zoom. They were taken a few weeks ago but the subjects were in the same tree on every occasion.
   24 Jul 2025
Thanks for the record - a new diet species
ROWLAD wrote:
   28 Jul 2025
Thank you, Michael, the relevance of that eucalypt as a diet species had not occurred to me. I imagine that in the tree's natural location (which I understand to be near the Big Badja, in the hills between Cooma and the coast) Gang-gangs must come across it up there. I think that the tree is called 'Woila Gum', apparently pronounced 'Wow-ly gum'. The slightly ribbed fruit are distinctive among those of local species. As you can see in the photo, it flowers and fruits fairly heavily—at least this specimen has—so I have dozens of fallen fruit in my garden, partly from the effects of Gang-gangs feeding in the tree.
   28 Jul 2025
Thanks Rowlad - about 40% of Gang-gang foraging time is spent feeding on Eucalyptus including flowers, fruits but largely gum nuts -but they are not to picky on the eucalypt species having been recorded on many tens of species including now Woila Gum. They seem to like species with larger sized gum nuts and tend to feed on the nuts when they are unripe

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