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Lake Merced--Concrete Bridge area
Illustrated Checklist
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Native and Naturalized (264)
Exotic: Provisional (1)
Exotic: Escapee (6)
Hybrids (5)
- Western x Clark's Grebe (hybrid) Aechmophorus occidentalis x clarkiiLast observed by Dominik Mosur on 31 Aug 2023
- Herring x Glaucous Gull (hybrid) Larus argentatus x hyperboreusLast observed by Peter Pyle on 13 Apr 2019
- Western x Glaucous-winged Gull (hybrid) Larus occidentalis x glaucescensLast observed by logan kahle on 1 Dec 2023
- Herring x Glaucous-winged Gull (hybrid) Larus argentatus x glaucescensLast observed by Rajan Rao on 12 Nov 2023
- Glaucous x Glaucous-winged Gull (hybrid) Larus hyperboreus x glaucescensLast observed by Alex Loucks on 30 May 2021
Additional Taxa (53)
- Western/Clark's Grebe Aechmophorus occidentalis/clarkiiLast observed by Sam Talarigo on 17 Apr 2024
- American/Pacific Golden-Plover (Lesser Golden-Plover) Pluvialis dominica/fulvaLast observed by Scott Cox on 7 Oct 1990
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Eddie Monson on 7 Sep 2020
- Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperiiLast observed by Sam Talarigo on 23 Apr 2024
- Mitred/Red-masked Parakeet Psittacara mitratus/erythrogenysLast observed by Elisa (Ellie) Resendiz on 13 Oct 2020
- Tree/Violet-green Swallow Tachycineta bicolor/thalassinaLast observed by Stephen T Bird on 18 Apr 2024
- Red-winged/Tricolored Blackbird Agelaius phoeniceus/tricolorLast observed by logan kahle on 23 Sep 2023
- Townsend's/Hermit Warbler Setophaga townsendi/occidentalisLast observed by Noah Arthur on 6 Sep 2018