​Re-sightings of colour-ringed Black-headed Gulls

To report a sighting of a Black-headed Gull  with a blue ring, please submit your sightings by using the online recording form or by e-mailing bhgulls'@'gmail.com 

When submitting observations, please remember to include information on:

• ​When and where the bird(s) was seen, including the grid reference or coordinates of the location
• The colour and ring code
• Your name and contact details

Other information such as whether the bird(s) were breeding, flock size, associations with others birds or habitat can also be useful to report.
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All sightings will be acknowledged with full re-sighting histories of the bird(s) reported.
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Thank you
...Our thanks and appreciation goes to all observers who send in sightings of colour-marked birds. Your tremendous effort and support has ensured the continuing success of this colour-marking project.