On the ABA Facebook page I found these great images of the Laredo Slaty-backed Gull taken by a Canadian birder Mark Dennis. http://notdennis51.wordpress.com/2014/02/23/slaty-backed-gull/ Dan Jones, Weslaco Edit your Freelists account settings for TEXBIRDS at //www.freelists.org/list/texbirds Reposting of traffic from TEXBIRDS is prohibited without seeking permission from the List Owner