TROPIC and NEAR-TROPIC BIRD COLLECTION

Interaction Ring-billed Gulls Ring-billed Gull- Larus delawarensis Ring-billed Gull-Larus delawarensis, Order Charadriiformes, Family Laridae, Subfamily Larinae. Found amidst a flock of Ring-billed gulls in Acton Lake in Heuston Woods State Park just north of Oxford in SW Ohio. These gulls are present year-round in SW Ohio. Photo: Feb 21, 2005, Canon EOS Mark II digital camera with 600mm f/4.0 L IS lens and 1.4X Teleconverter For More Species Info: http://www.birds.cornell.edu/programs/AllAboutBirds/BirdGuide/Ring-billed_Gull_dtl.html

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Photos Copyright R. Hays Cummins. Authorization required. For permission, contact hays@environment-education-press.org

Sources of species identification and other amazing info include (1) Cornell Lab of Ornithology--a fantastic site; (2)Birds of Eastern and Central North America, Peterson Field Guide Series, Fifth Edition, Houghton Mifflin Company; (3) The National Audubon Society's Sibley Guide to Birds and (4) Field Guide to the Birds of North America, Third Edition, National Geographic, Washington, D.C.