Re: (delhibirdpix) Turkestan Black-headed Wagtail from Kalikapur

Attaching a shot taken in 2008 march,taken at Delhi which to me is subspecies melanogrisea(complete black head)

Vinod 

On Thu, Dec 1, 2011 at 2:23 AM, Bill Harvey <billharve@gmail.com> wrote:

Why do you think this is "melanogrisea"? It is always helpful to present your reasons when claiming rare or unusual records.

In fact the main characteristic of this sub-species is its lack of a supercilium on a very black crown, cheeks and nape, not features shown in these pics. The generally accepted, current authority on wagtails (Alstrom and Mild) subsumes melanogrisea into feldegg, the Black-headed Wagtail.

This bird has all the features of tshutchensis (perhaps of the subsumed type zaissanensis) which is now called Eastern Yellow Wagtail and is probably a full species. It breeds in eastern Siberia east to Alaska and winters mostly in SE Asia west to Myanmar and NE India including Bengal.

Bill

On Wed, Nov 30, 2011 at 7:39 PM, Shantanu Bhattacharya <shntn07@gmail.com> wrote:

Hi

visited  a marshland near Kalikapur in Kolkata last Sunday with my friend Mr.Debarshi, and we were fortunate to get few shots of the rare winter migrant- the Turkestan Black-headed Wagtail (Motacilla flava melanogrisea)- a subspecies of the yellow wagtail.

There are previous records of this race from Kolkata, but it is seldom spotted. It breeds in the Volga delta around the Caspian sea, and northern Afghanistan.

 

regards

Shantanu.

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