More hybrids - corellas this time

To: "'Nikolas Haass'" <>, "'Philip Veerman'" <>, "'Simon Robinson'" <>
Subject: More hybrids - corellas this time
From: "Tony Russell" <>
Date: Wed, 25 Jun 2014 18:15:53 +0930
Hm ! Not fussy are they.

-----Original Message-----
From: Birding-Aus  On Behalf Of
Nikolas Haass
Sent: Wednesday, 25 June 2014 5:50 PM
To: Philip Veerman; 'Simon Robinson'
Cc: 'Birding Aus'
Subject: Re: [Birding-Aus] More hybrids - corellas this time

Hi all,

According to E.M. McCarthy¹s Handbook of Avian Hybrids (2006, OUP), the
following combinations with Little Corella occur (except for x sulphurea
apparently all in the wild):
Cacatua sanguinea [Little Corella]
x galerita [Sulphur-crested C.]
x leadbeateri [Major Mitchell¹s C.]
x pastinator [Western C.]
x roseicapillus [Galah]
x sulphurea [Lesser Sulphur-crested C.]
x tenuirostris [Long-billed C.]
x Callocephalon fimbriatum [Gang-gang C.]


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On 25/06/14 5:53 PM, "Philip Veerman" <> wrote:

>We have exactly the same situation in Canberra, where the Little 
>Corella has become abundant recently. It has reached 12th most common 
>species in the most recent compiled years Garden Bird Survey (2012/13), 
>from being almost non occurring here until 1988. With small numbers of 
>Long-billed Corellas and, going by appearances and some observed 
>behaviours, some very likely hybrids. Whether any hybrids are of 
>domestic origin is unknown (somewhat likely maybe but generally not 
>often suggested). It seems odd that "aviculture literature, however, 
>refers to hybridisation between long-billed corellas and galahs (or 
>Major Mitchell cockatoos) to enhance colouring; hybridisation with 
>little corellas is not mentioned." I strongly suspect that is simply a 
>reflection of the interests of the authors or what they might be 
>attempting to achieve or what they think hobbyists might like to know 
>about, rather than any lesser likelihood or occurrence of hybridisation 
>between corellas.
>-----Original Message-----
>From: Birding-Aus  On 
>Behalf Of Simon Robinson
>Sent: Wednesday, 25 June 2014 2:29 PM
>Cc: Peter Dewey
>Subject: [Birding-Aus] More hybrids - corellas this time
>There is a large flock of little corellas that squawks around the 
>Southern Highlands of NSW. Amongst them are a few long-billed corellas. 
>In addition there are a few individuals with intermediate length bills 
>of various sizes and some colour variations (including pink). Peter 
>Dewey and I are wondering if these are hybrids between the little and 
>long-billed corellas. The only peer reviewed reference we can find  is 
>(Ford, J (1985) Emu 85, 163-180) who did not find evidence of such 
>hybridisation, but considered that the long-billed corella was still 
>evolving. The aviculture literature, however, refers to hybridisation 
>between long-billed corellas and galahs (or Major Mitchell cockatoos) 
>to enhance colouring; hybridisation with little corellas is not 
>mentioned. In the Southern Highlands flock, are we seeing (a) 
>hybridisation between little and long-billed corellas, (b) 
>hybridisation between long-billed corellas and galahs (occasional pink 
>colouration suggests this), or (c) a morphological range in the 
>genetically unstable long-billed corellas (not all the intermediate 
>billed individuals show pink colouration). Or all or some of the above! 
>We'd appreciate comments and discussion!
>Simon R Robinson
>Phone:+61 2 4883 7186| Mobile: 0412 252 177
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