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Pomponio SB
Illustrated Checklist
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Native and Naturalized (164)
Hybrids (4)
- Herring x Glaucous Gull (hybrid) Larus argentatus x hyperboreusLast observed by Alvaro Jaramillo on 2 Jan 2021
- Western x Glaucous-winged Gull (hybrid) Larus occidentalis x glaucescensLast observed by Marty Freeland on 10 Jul 2022
- Herring x Glaucous-winged Gull (hybrid) Larus argentatus x glaucescensLast observed by Robert Raffel on 4 Dec 2023
- Glaucous x Glaucous-winged Gull (hybrid) Larus hyperboreus x glaucescensLast observed by Joseph Morlan on 23 Feb 2021
Additional Taxa (16)
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Noah Arthur on 11 Apr 2022