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Siskiyou
Illustrated Checklist
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Native and Naturalized (344)
Exotic: Provisional (1)
Exotic: Escapee (5)
Hybrids (9)
- Greater White-fronted x Canada Goose (hybrid) Anser albifrons x Branta canadensisLast observed by Jake Ruygt on 21 Oct 2023
- Graylag x Canada Goose (hybrid) Anser anser x Branta canadensisLast observed by Mason Sieges on 25 Oct 2020
- Northern Shoveler x American Wigeon (hybrid) Spatula clypeata x Mareca americanaLast observed by Adrian Hinkle on 11 Apr 2020
- Eurasian x American Wigeon (hybrid) Mareca penelope x americanaLast observed by logan kahle on 19 Feb 2021
- Ring-necked Duck x scaup sp. (hybrid) Aythya collaris x marila/affinisLast observed by logan kahle on 28 Jan 2022
- Eurasian Collared-Dove x Mourning Dove (hybrid) Streptopelia decaocto x Zenaida macrouraLast observed by Crystal Leslie on 10 Dec 2023
- Herring x Glaucous-winged Gull (hybrid) Larus argentatus x glaucescensLast observed by Barbara Scoles on 4 Feb 2013
- Yellow-bellied x Red-breasted Sapsucker (hybrid) Sphyrapicus varius x ruberLast observed by Jim Parker on 3 Feb 2022
- Red-naped x Red-breasted Sapsucker (hybrid) Sphyrapicus nuchalis x ruberLast observed by Steve Huckabone on 29 Nov 2023
Additional Taxa (85)
- Blue-winged/Cinnamon Teal Spatula discors/cyanopteraLast observed by Courtney Kelly Jett on 28 Aug 2020
- Common/Barrow's Goldeneye Bucephala clangula/islandicaLast observed by Eckhard G.I. Garve on 12 Aug 2014
- Ring-necked/Green Pheasant Phasianus colchicus/versicolorLast observed by John Foster on 13 Nov 2022
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Kirsti Carr on 6 Sep 2023
- Long-tailed/Parasitic Jaeger Stercorarius longicaudus/parasiticusLast observed by Kevin Spencer on 19 Sep 2019
- Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperiiLast observed by Roberto Macay on 23 Apr 2024
- Yellow-bellied/Red-naped Sapsucker Sphyrapicus varius/nuchalisLast observed by Debby Parker on 20 Nov 2014
- Hammond's/Dusky Flycatcher Empidonax hammondii/oberholseriLast observed by Jim Parker on 17 Jun 2023
- Loggerhead/Northern Shrike Lanius ludovicianus/borealisLast observed by Anonymous eBirder on 27 Nov 2022
- California/Woodhouse's Scrub-Jay Aphelocoma californica/woodhouseiiLast observed by Mark Stephenson on 6 Jan 2020
- Oak/Juniper Titmouse (Plain Titmouse) Baeolophus inornatus/ridgwayiLast observed by Crystal Leslie on 8 Apr 2024
- Tree/Violet-green Swallow Tachycineta bicolor/thalassinaLast observed by Courtney Kelly Jett on 14 Apr 2023
- Ruby-crowned/Golden-crowned Kinglet Corthylio calendula/Regulus satrapaLast observed by Debby Parker on 5 Mar 2021
- Purple/Cassin's Finch Haemorhous purpureus/cassiniiLast observed by Courtney Kelly Jett on 14 Apr 2023
- Red-winged/Tricolored Blackbird Agelaius phoeniceus/tricolorLast observed by Courtney Kelly Jett on 14 Apr 2023
- Townsend's/Hermit Warbler Setophaga townsendi/occidentalisLast observed by ned bohman on 16 Apr 2021