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ROSS'S GULL - Gibraltar Point - 18/06/14
http://lbcarchive.co.uk/forum/viewtopic.php?f=3&t=20988
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Author:  Richard Doan [ Wed Jun 18, 2014 2:52 pm ]
Post subject:  ROSS'S GULL - Gibraltar Point - 18/06/14

I headed down to the Shorebird Sanctuary this morning (around 0900hrs) to do my shorebird duties. After high tide had passed at 1037hrs, I decided to linger about and monitor the birds. Whilst looking around I noticed that a good number of Black-headed Gulls were gathering on the flooded saltmarsh. I immediately noticed a small gull feeding amongst them, decided to check it in the scope, I had assumed it would just be Little Gull, however after watching it for a few minutes I noticed that this bird had a very distinctive long and pointed tail, excitement quickly ensued! Ross's Gull then came to mind.

The following features were all noted during the observation:

- Roughly two thirds the size of a Black-headed Gull
- Same flight style and habits as Little Gull
- No obvious secondary bar evident, giving the bird a clean white appearance
- Long pointed tail (elongated tail feathers) very distinct
- The tail had a very faint black band, the point however was white
- Pale headed

Unfortunately I didn't have my camera on me at the time, I contemplated whether or not to bring it beforehand, but in the end decided not too! The bird remained with the Black-headed Gull flock for about 5 minutes before heading north on its own, it was seen passing the Heligoland trap and then disappeared from view heading north-west.
After seeing the bird disappear I decided to hurry back to Sykes Farm to check the book, while everything was still fresh in mind. I was in doubt that this was indeed a Ross's Gull (first-summer/2CY). I assumed that the bird was heading towards the scrapes Jackson's Marsh and Tennyson's Sands, a follow up visit afterwards proved unsuccessful!
This therefore has left me in a difficult situation, being a sole observer with no photographs!! (a birdwatchers nightmare)

Cheers,

Richard

Author:  Graham Catley [ Wed Jun 18, 2014 4:24 pm ]
Post subject:  Re: ROSS'S GULL - Gibraltar Point - 18/06/14

2cy Ross's should have a dark covert bar and outer primaries Richard; do you mean the upperwing was all white?

Author:  Richard Doan [ Wed Jun 18, 2014 7:15 pm ]
Post subject:  Re: ROSS'S GULL - Gibraltar Point - 18/06/14

Hi Graham,

Yeah it did have the dark outer primary and dark covert bar, forgot to mention that.
What I meant to say was that it had a clean white wedge in the wing.

Richard

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