![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhztqxSU2TLgSu_Pge03Bjx0yevLo2j8EzkEZUev6BpoHoyQiEcvV03kqxXZMRW0jXhnGgg-sAvTxmQPHOT7PTZeuAhqkj9SZN8UzT6Gq4JeeYUW5wU0hhgFd2msCNohgylOTYxUqFpJs8/s400/web829K9974.jpg)
This bird, seen on two consecutive days, fits currently accepted criteria for first winter
mongolicus. I spoke to several local gull enthusiasts about it (showing them these pictures etc)and it certainly is the type of bird they are identifying as
mongolicus.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgcVNbHLGpcmKP27uiBgniJIBddn0UcAzVtypJrMTEj0McuTFYqrw8yKa4t6d7F-mcKlAU3Ca_inn7w633FajK6ZQ7z1ZP5e9w5hWASmNJEnkjGq5a3Pc_G9ITNWCcPdFbYjtZDqDP5vyM/s400/webIMG_3016.jpg)
Note the already worn coverts and tertials, consistent with a bird that hatched somewhat earlier than the more Northerly Vega Gull.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgV-vjIYZtYOx-fzqDqh-c6IB3c9rrj4Om2OHV1yMIYnESQwylTR1BD8TuVtJVONymEG7w2p9-liMbaBXx2Ovu868AI_Kg046WRfkNTtWDTLHjK2E0GJbJ9ZdIhxV3PcCicVcBhjxzSodE/s400/web829K9857.jpg)
Striking, contrasting plumage evident in flight. Note the very black tail band contrasting with the white rump; also, it has a very contrasting pattern on the inner primaries (P1-4), with pale lozenges on the outer webs and dark arrowheads at the tip.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhnmowb04EE1gLUKCgS1xxQ_XoA_xhOdWjmYchQLnhQn7ho7IqTTx-SqrlnHLW-PhtgRbFgdY-LMczID5KSukd4u-qlTmcQmv8IL-myj1nnbKG4zIkYrw6MHEs0Q-8kErmiq_UcnGyG_mI/s400/webIMG_3012.jpg)
Rather
cachinnans-like plumage tones and patterns, especially the silvery base colour and light markings on the second generation scapulars. The head and body have a white ground colour, but with greyish streaks
1 comment:
Mongolian Gull is my favourite member of the East Asian Herring Gulls! I don't see them very often here in southern Japan where I live.
Thanks for all these great photos and information.
I've actually been reading your blog for quite a long while now.
I'm just a beginner for gulls so your blog is very very useful.
Post a Comment