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Gulls (barabensis - heuglini) of Salalah, Oman

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Old Tuesday 25th June 2019, 08:03   #1
Valéry Schollaert
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Gulls (barabensis - heuglini) of Salalah, Oman

Hi all,

I'm sorting my gull photos, and it is more difficult than I expected. I'd love your comments about those gulls, all taken around Salalah, Oman, in April 2016.

Identification of species / sub-species, age and all features to look for will be much appreciated.

Thanks !
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Old Tuesday 25th June 2019, 10:02   #2
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this book might aid you

Bonjour Valery!

This book may help you. I found it on Amazon (available other places as well), and I don't regret it.
It has in depth for Gulls. You may have it already....

"Gulls of Europe, Asia, and North America"

by Klaus Malling Olsen

It has gulls and migration maps that include your area.

US Amazon

https://www.amazon.com/Gulls-Europe-.../dp/0713670878

UK Amazon

https://www.amazon.co.uk/Gulls-Europ.../dp/0713670878

Jeff
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Old Tuesday 25th June 2019, 10:11   #3
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Quote:
Originally Posted by Otarujef View Post
Bonjour Valery!

This book may help you. I found it on Amazon (available other places as well), and I don't regret it.
It has in depth for Gulls. You may have it already....

"Gulls of Europe, Asia, and North America"

by Klaus Malling Olsen

It has gulls and migration maps that include your area.

US Amazon

https://www.amazon.com/Gulls-Europe-.../dp/0713670878

UK Amazon

https://www.amazon.co.uk/Gulls-Europ.../dp/0713670878

Jeff
That's funny, I know and own the book of course, since it exists. Thanks anyway. For your info, it states that identification of immature barabensis and heuglini and not fully understood.
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Old Tuesday 25th June 2019, 10:44   #4
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"not fully understood" seems to be the case more than once in many a bird. Makes bird watching fascinating
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Old Tuesday 25th June 2019, 10:46   #5
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"not fully understood" seems to be the case more than once in many a bird. Makes bird watching fascinating
This is why I do that as a full time job since almost 30 years :)
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Old Tuesday 25th June 2019, 10:57   #6
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You are Blessed!

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Old Tuesday 25th June 2019, 11:54   #7
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salut valéry,

2nd one looks to be an adult female heuglini. mantle is just too dark for barabensis and it has this nice striation restricted to hindneck. all the other ind. (5 second calendar years) to me looks like barabensis. but in april also heuglini can be this advanced so, better to try on them in midwinter. all have replaced their whole mantle, scaps and coverts, which in heuglini also does, but probably well into may. so the last one which is still in heavy moult could actually be also a heuglini, but i favour barabensis for it too on the apparently paler grey upper mantle and bold coverts markings.

cheers
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Old Tuesday 25th June 2019, 12:22   #8
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salut valéry,

2nd one looks to be an adult female heuglini. mantle is just too dark for barabensis and it has this nice striation restricted to hindneck. all the other ind. (5 second calendar years) to me looks like barabensis. but in april also heuglini can be this advanced so, better to try on them in midwinter. all have replaced their whole mantle, scaps and coverts, which in heuglini also does, but probably well into may. so the last one which is still in heavy moult could actually be also a heuglini, but i favour barabensis for it too on the apparently paler grey upper mantle and bold coverts markings.

cheers
Many thanks Lou, that is matching my ID's. Most of my photos are from April, I gonna check my old photos from January 2006, but not sure I've interesting ones. I've also flying ones to check. Have a nice day !
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Old Wednesday 26th June 2019, 21:26   #9
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Aren't the two gulls in the 4th image different taxa? The one at the rear seems to have a larger eye, different plumage and a slightly different bill shape. The other looks like a typical barabensis.
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Old Wednesday 26th June 2019, 21:31   #10
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both look like fairly typical barabensis. Both have extensively replaced coverts and tt, both have the upright stance and weak female type bill, just the pattern varies but that's variable :)
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Old Wednesday 26th June 2019, 22:09   #11
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OK, thanks Lou.
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