Image: Chroicocephalus ridibundus - closeup of head

Description: Black-headed gull (Chroicocephalus ridibundus), Leighton Moss RSPB Reserve, Lancashire, England.
Title: Chroicocephalus ridibundus - closeup of head
Credit: originally posted to Flickr as Black-headed gull, Larus ridibundus
Author: Gidzy
Permission: This image, which was originally posted to Flickr, was uploaded to Commons using Flickr upload bot on 13 June 2009, 00:11 by Commons Shaped Box. On that date, it was confirmed to be licensed under the terms of the license indicated. .mw-parser-output .responsive-license-cc{clear:both;text-align:center;box-sizing:border-box;width:100%;justify-content:space-around;align-items:center;margin:0.5em auto;color:#202122;background-color:#f9f9f9;border:2px solid #e0e0e0;border-spacing:8px;display:flex}.mw-parser-output .responsive-license-cc div{margin:4px}.mw-parser-output .rlicense-text div{margin:0.5em auto}@media screen and (max-width:640px){.mw-parser-output .responsive-license-cc{flex-flow:column}.mw-parser-output .rlicense-text{order:1}} This file is licensed under the Creative Commons Attribution 2.0 Generic license. You are free: to share – to copy, distribute and transmit the work to remix – to adapt the work Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. https://creativecommons.org/licenses/by/2.0CC BY 2.0 Creative Commons Attribution 2.0 truetrue
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License: CC BY 2.0
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Attribution Required?: Yes