FW: FW: King Parrot with yellow markings

To: 'Geoffrey Dabb' <>, 'Canberrabirds' <>
Subject: FW: FW: King Parrot with yellow markings
From: Lindsay Hansch via Canberrabirds <>
Date: Sun, 24 Jul 2022 01:36:23 +0000

This photo taken at the National Gallery also shows the yellow markings.




Lindsay Hansch



From: Canberrabirds <> On Behalf Of Geoffrey Dabb
Sent: Sunday, 24 July 2022 10:43 AM
To: Canberrabirds <>
Subject: [Canberrabirds] FW: FW: King Parrot with yellow markings


Yellow markings on the green feathers of A King-Parrots are occasionally reported.  Below is an example in Narrabundah in 2013, an immature male.



There are a small number of examples in the Cornell Lab Macaulay Library, the first photo of an AKP as displayed in response to my prompt being a striking male at home in wild tobacco at Kyogle, 23 July 2022. This shows that the yellow discolouration is quite different from the pale green shoulder stripe of the male.


There are reports, perhaps best described as speculation, that the yellow colour might be a sign of malnutrition or beak and feather disease.


-----Original Message-----
From: Canberrabirds <> On Behalf Of Philip Veerman
Sent: Saturday, 23 July 2022 10:04 PM
To: ; ;
Subject: Re: [Canberrabirds] FW: King Parrot with yellow markings


The basic answer it is a colour mutation, in this case a deficiency in the production of structural blue. Though in this bird it is randomly patchy and that aspect is not very often shown. The normal green is produced by yellow pigment combined with structural blue (that means the blue colour produced by feather structure, rather than pigment). Where the structural blue is absent (in those patches), the bits that should be green only have the yellow pigment remaining, to provide the yellow colour. It is basically the same process that produces an all yellow, rather than mostly green, budgerigar.




-----Original Message-----

From: Canberrabirds [m("","canberrabirds-bounces");">] On Behalf Of m("","julian.robinson");">

Sent: Saturday, 23 July, 2022 9:02 PM

To: m("","canberrabirds");"> ; m("","Barry.Millar");">

Subject: [Canberrabirds] FW: King Parrot with yellow markings


Hi Barry - I am forwarding your message to COG's chatline and will pass on any responses that might help with your question.  Cheers, Julian Robinson


Chatliners - Any more informed thoughts than I can offer would be appreciated.


-----Original Message-----

From: Barry Millar <m("","Barry.Millar");">>

Sent: Saturday, 23 July 2022 3:57 PM

To: m("","cogwebmaster");">

Subject: King Parrot with yellow markings


This bird is a frequent visitor to our garden in Isabella Plains.  Can someone please explain the bright yellow markings that almost form a solid band across the wings when fully closed.


Barry Millar





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