|Subject:||Glossy BlackCockatoo food trees|
|Date:||Tue, 12 Mar 2002 15:14:48 +1100|
Alan and others
A while ago a botanist told me that seeds from the cones of the genus Casuarina drop out every year, while the seeds from Allocasuarina stay in the cone and drop out after a fire event or the like. If this is true (can someone confirm this??), then it would be fruitless for glossies to try Casuarina cones, except maybe for a brief period.
There's only one botanist (of four) in the office today and we can't seem to find out any more info at this moment. Will keep searching.
Recovery Planning Officer
Threatened Species Unit
NSW National Parks & Wildlife Service
PO Box 2115 Queanbeyan NSW 2620
Ph: 02 6298 9730 Fax: 02 6299 4281
Judie Peet asked if there were any refences in the literature of Glossy Black Cockatoos feeding on Casuarina cunninghamiana River Oak. A check with HANZAB makes no reference to such behaviour. As the seeds and the seed pod of River Oak are quite small this is understandable. There is reference in HANZAB to Glossies feeding on the seeds of C. glauca Swamp Oak, another tree with small seeds and small seed pods. Here on the Central Coast of NSW there are extensive stands of Swamp Oak but Glossies rarely ever are seen feeding on the seeds, preferring the more usual fare of the Allocasuarina torulosa Forest Oak, A. littoralis and A. verticulata.
I have not heard of Glossies feeding in River oak.
records Officer, Birding NSW
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