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Oso Flaco Lake (not for beach/ocean)
Illustrated Checklist
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Native and Naturalized (287)
Exotic: Escapee (2)
Hybrids (3)
- Western x Clark's Grebe (hybrid) Aechmophorus occidentalis x clarkiiLast observed by Petra Clayton on 29 Jan 2016
- Western x Glaucous-winged Gull (hybrid) Larus occidentalis x glaucescensLast observed by on 16 Oct 2010
- Townsend's x Hermit Warbler (hybrid) Setophaga townsendi x occidentalisLast observed by Herb Elliott on 6 May 2023
Additional Taxa (50)
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Long-eared Owl on 14 Jul 2022
- Red/Red-necked Phalarope Phalaropus fulicarius/lobatusLast observed by Robbie & Bob Revel on 1 Oct 2023
- large shorebird sp. Scolopacidae sp. (large shorebird sp.)Last observed by Petra Clayton on 20 Apr 2022
- Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperiiLast observed by Karen McKinley on 12 Nov 2023
- Red-winged/Tricolored Blackbird Agelaius phoeniceus/tricolorLast observed by Tom Slater on 16 Sep 2020
- Rose-breasted/Black-headed Grosbeak Pheucticus ludovicianus/melanocephalusLast observed by Tom Edell on 24 May 2019