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Mile Square Regional Park, Fountain Valley
Illustrated Checklist
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Native and Naturalized (257)
Exotic: Provisional (7)
Exotic: Escapee (13)
Hybrids (7)
- Swan Goose x Canada Goose (hybrid) Anser cygnoides x Branta canadensisLast observed by George Nothhelfer on 8 Feb 2022
- Greater White-fronted x Canada Goose (hybrid) Anser albifrons x Branta canadensisLast observed by Terry Hill on 28 Apr 2017
- Graylag x Canada Goose (hybrid) Anser anser x Branta canadensisLast observed by Kat Avila on 27 Sep 2019
- Domestic goose sp. x Canada Goose (hybrid) Anser sp. (Domestic type) x Branta canadensisLast observed by Sylvia Afable on 12 Dec 2023
- Cinnamon Teal x Northern Shoveler (hybrid) Spatula cyanoptera x clypeataLast observed by Thomas Wurster on 30 Jan 2022
- Western x Glaucous-winged Gull (hybrid) Larus occidentalis x glaucescensLast observed by Thomas Wurster on 26 Nov 2023
- Red-naped x Red-breasted Sapsucker (hybrid) Sphyrapicus nuchalis x ruberLast observed by Thomas Wurster on 4 Nov 2023
Additional Taxa (71)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Eric Schroeder on 6 Mar 2024
- Cackling/Canada Goose Branta hutchinsii/canadensisLast observed by Elias Aristides Elias on 1 Jan 2013
- Western/Clark's Grebe Aechmophorus occidentalis/clarkiiLast observed by Anonymous eBirder on 2 Oct 2018
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Ashley Hopkins on 21 Oct 2023
- Red/Red-necked Phalarope Phalaropus fulicarius/lobatusLast observed by Thomas Ford-Hutchinson on 20 Sep 2013
- Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperiiLast observed by James Mitchell on 24 Nov 2023
- Red-naped/Red-breasted Sapsucker Sphyrapicus nuchalis/ruberLast observed by Thomas Wurster on 4 Jan 2024
- Mitred/Red-masked Parakeet Psittacara mitratus/erythrogenysLast observed by Becky Turley on 13 Aug 2014
- large parakeet sp. (former Aratinga sp.) Eupsittula/Aratinga/Thectocercus/Psittacara sp.Last observed by Eli Miller on 13 May 2015
- Hammond's/Dusky Flycatcher Empidonax hammondii/oberholseriLast observed by Rhonda Howard on 22 Sep 2020
- Cassin's/Western Kingbird Tyrannus vociferans/verticalisLast observed by Thomas Wurster on 7 May 2023
- yellow-bellied kingbird sp. Tyrannus sp. (yellow-bellied)Last observed by Steve Morris on 12 Apr 2023
- Cassin's/Blue-headed Vireo Vireo cassinii/solitariusLast observed by Anonymous eBirder on 21 Sep 2023
- Arctic/Kamchatka Leaf Warbler Phylloscopus borealis/examinandusLast observed by Amin Khalifa on 20 Sep 2020
- MacGillivray's/Mourning Warbler Geothlypis tolmiei/philadelphiaLast observed by Thomas Wurster on 11 Oct 2021
- Rose-breasted/Black-headed Grosbeak Pheucticus ludovicianus/melanocephalusLast observed by Thomas Wurster on 18 Oct 2023