Western gull
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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