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- APPENDIX C 2017 Wharf Nesting Bird Survey
- Before the Secretary of the Interior Petition to List the Western Gull-Billed Tern Gelochelidon Nilotica Vanrossemi As Threatene
- Gulls Wildlife Damage Management Technical Series
- ATLASSING TIPS: HYBRID GULLS By: Art Martell Region Comox Valley- Campbell River Regional Coordinator Photos: Art Martell
- News and Notes — W Eb E Xtra
- Featured Photo Multiple Color Abnormalities in a Wintering Mew Gull Jeff N
- Birdobserver11.3 Page137-142 Observations of Two Apparent Hybrid Gulls in Massachusetts Richard S. Heil.Pdf
- Life History Account for Yellow-Footed Gull
- By Pete Dunne and Kevin T. Karlson
- Summary of the Occurrence, Population Status, and Management of the Western Gull (Larus Occidentalis) on Alcatraz Island
- 313421 Chap 11 a Birds L
- FORAGING ECOLOGY of FOUR GULL SPECIES at a COASTAL–URBAN INTERFACE Brian E
- Presumed Hybrids of the Herring Gull and the Great Black-Backed Gull
- New Records of Van Rossem's Gull-Billed Tern
- Least Tern Breeding Within the San Diego Bay NWR and at the Tijuana Estuary
- Human Disturbance in Western Gull Larus Occidentalis Livens Colonies and Possible Amplification by Intraspecific Predation
- Pelagic Gulls in Winter Off Southern California
- The First Record of Great Black-Backed Gull (Larus Marinus) in British Columbia
- APPENDIX D Bird Species Observed at Santa Cruz Wharf During Wharf Surveys
- Proposals 2007-E
- Gull-Billed Tern (Gelochelidon Nilotica) in North America
- IN the Herring Gull Assemblage
- GULL-BILLED TERN (Gelochelidon Nilotica) Kathy C
- Gulls Simplified: a Comparative Approach to Identification
- FEATURED PHOTO REPLACEMENT of PRIMARIES DURING PREALTERNATE MOLTS in NORTH AMERICAN LARUS GULLS PETER PYLE, the Institute for Bird Populations, P
- Larinae Species Tree
- Identifying Hybrid &
- Western Gull
- Of First-Cycle Slaty-Backed Gulls North American Birders Face a Formative Identificationpuzzle
- Seabirds in the Gulf of California: a Vulnerable, International Resource
- Post-Breeding Movements and Mortality in the Western Gull, Larus Occidentalis
- First Record of a Lesser Black-Backed Gull in Colorado
- Lesser Black-Backed Gull in California, with Notes on Field Identification
- Gull-Reference-List.Pdf
- Herring Gull
- Ardeola 52(2), 2005, 341-345
- Western Gull Larus Occidentalis of the Gulls So Ubiquitous Along San
- Laridaerefs V2-0.Pdf
- Population-Level Plasticity in Foraging Behavior of Western Gulls (Larus Occidentalis) Scott A
- Identification and Ageing of Glaucous-Winged Gull and Hybrids
- Status and Occurrence of Lesser Black-Backed Gull (Larus Fuscus) in British Columbia. by Rick Toochin, Don Cecile and Jamie Fenneman
- Male and Female Parental Roles in the Western Gull Under Different Environmental Conditions