Hi Geoff,
I like 'just different'! That's certainly correct.
Looks like the birds have dark irides -> juvenile -> rules out progressive
greying.
Apparently the bare parts are normal plus the obvious melanin synthesis in some
areas of the plumage -> rules out albinism.
I'd call that leucism (since it is partial you can also call it piebaldism).
Cheers,
Nikolas
----------------
Nikolas Haass
Brisbane, QLD
________________________________
From: Geoff Leslie <>
To:
Sent: Friday, October 18, 2013 8:34 AM
Subject: White ravens
There is a pair of pale Little Ravens causing delight and consternation in
the streets of Barham NSW at present. I am not sure if you should call them
albino or leucistic or just different. A friend took these photos of them
mixing without prejudice in the flock, which are not very high quality but
certainly show the birds clearly.
m("N04/sets/72157636665724595/","//www.flickr.com/photos/103213925");">http: I would
be interested to know what this type of aberration is called and how common
it is.
Geoff Leslie
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