Hi Dave.
In Robson's "Birds of SE Asia" (2005 ed) there is a discussion of this.
Where the birds in Thailand (winter visitors) were considered to be a paler
subspecies Larus heuglini taimyrensis. However, Robson states that this may
not be a valid taxon, and that the birds may be Heuglin's/Vega Gull hybrids.
In other words true Heuglin's Gulls may not occur in the region (maybe this
is where IOC is coming from). This view is also expressed in the Wikipedia
entry for Heuglin's Gull. The situation seems a bit unclear.
Cheers Steve Murray
-----Original Message-----
From: Birding-Aus On Behalf Of
Dave Torr
Sent: Tuesday, 28 January 2014 1:53 PM
To: birding-aus
Subject: "Heuglin's" Gull in Thailand
Hi
I wonder if anyone can help. Have just come back from a trip to Thailand
(trip report to follow soon) and we saw a few gulls which our guide
identified as Heuglin's. Working through my IOC database I see that the IOC
only has Heuglin's as a ssp of Lesser Black-backed and does not have Lesser
BB or any of its ssp in SE Asia at all. Clements appears to disagree. Can
anyone shed any light on this (can probably provide photos if they will
help) Thanks Dave _______________________________________________
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