Cacatua galerita

Sulphur-crested Cockatoo at Hughes, ACT

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Identification history

	Cacatua galerita	8 Aug 2018	natureguy
	Cacatua galerita	8 Aug 2018	JackyF

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User's notes

The bird in the centre of photos had no crest. Could it possibly be a cockatoo/corella hybrid, or is there some other reason?

4 comments

natureguy wrote:

9 Aug 2018

It is not a corella as it has a black bill. I don't know of a reason as to the missing crest though. Sorry :(

JackyF wrote:

9 Aug 2018

Ok, good to know to look at the bill colour, thanks!

KumikoCallaway wrote:

9 Aug 2018

The Cockatoo is likely to have Psittacine beak and feather disease (PBFD). PBFD is highly infectious viral disease. I rescued many PBFD cockatoos in the past as a volunteer. The symptom varies, but in general, they lose feathers (crest feathers, flight feathers, tail feathers etc - depending on individuals and age) and develop overgrown beak. They often look scruffy and have thin layers of feathers (typically shown in face).

JackyF wrote:

10 Aug 2018

Thanks. There was another cockatoo in this flock which definitely had beak and feather disease - its head was nearly bald.

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