Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitlePHOTO CHALLENGE.AuthorsMartin, StefanSubjectsBIRDS; PHOTOGRAPHY of animals; LARUS canus; RING-billed gull; MUELLER, Keith; LARUS argentatusPublicationConnecticut Warbler, 2017, Vol 37, Issue 2, p74ISSN1077-0283Publication typeArticle