FW: [canberrabirds] Straight down the high-diddle-diddle

To: "" <>
Subject: FW: [canberrabirds] Straight down the high-diddle-diddle
From: Geoffrey Dabb <>
Date: Tue, 4 Sep 2018 05:35:05 +0000

A combination of 2 different morphs, Red-headed and Black headed.  A case of servopapyrism (saving paper)


From: Philip Veerman <>
Sent: Tuesday, 4 September 2018 10:49 AM
To: 'John Layton' <>; 'Canberra birds' <>
Subject: RE: [canberrabirds] Straight down the high-diddle-diddle


I think that when this (rare event) occurs, it is usually divided sex across the mid line. So to that extent it is not unusual. It occurs in many types of animals, other than birds.


Several internet references to this. See for example:


From: John Layton
Sent: Tuesday, 4 September, 2018 7:12 AM
To: Canberra birds
Subject: [canberrabirds] Straight down the high-diddle-diddle


I seem to remember that several weeks ago there was mention/discussion about gynandromorphism. Accordingly, check out this androgynous chick from Peter Slater’s sumptuous book, Australian Birds a collection of paintings and drawings.


                    2 001.JPG





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