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Mono
Illustrated Checklist
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Native and Naturalized (382)
Exotic: Escapee (9)
Hybrids (9)
- Domestic goose sp. x Canada Goose (hybrid) Anser sp. (Domestic type) x Branta canadensisLast observed by Ron Wilson on 5 Jun 2023
- Eurasian x American Wigeon (hybrid) Mareca penelope x americanaLast observed by Barbara Kelley on 26 Nov 2019
- Mallard x Northern Pintail (hybrid) Anas platyrhynchos x acutaLast observed by Alex Wilson on 4 Jun 2023
- Anna's Hummingbird x Selasphorus sp. (hybrid) Calypte anna x Selasphorus sp.Last observed by Keith Condon on 27 Jul 2021
- Western x Glaucous-winged Gull (hybrid) Larus occidentalis x glaucescensLast observed by Justin Hite on 14 Nov 2009
- Yellow-bellied x Red-naped Sapsucker (hybrid) Sphyrapicus varius x nuchalisLast observed by Kristie Nelson on 3 Dec 2018
- Red-naped x Red-breasted Sapsucker (hybrid) Sphyrapicus nuchalis x ruberLast observed by Deborah House on 21 Oct 2023
- Nuttall's x Ladder-backed Woodpecker (hybrid) Dryobates nuttallii x scalarisLast observed by Ron Overholtz on 28 Sep 2013
- Lazuli x Indigo Bunting (hybrid) Passerina amoena x cyaneaLast observed by John Mueller on 4 Aug 2021
Additional Taxa (109)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Steven Prochter on 4 Apr 2021
- Common/Red-breasted Merganser Mergus merganser/serratorLast observed by Sally Miller on 18 Nov 2023
- merganser sp. Mergellus/Lophodytes/Mergus sp.Last observed by Chris McCreedy - no playbacks on 10 Jul 2012
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Joshua Mitchell on 7 Apr 2024
- Red/Red-necked Phalarope Phalaropus fulicarius/lobatusLast observed by Kristie Nelson on 30 Oct 2010
- Lesser/Greater Yellowlegs Tringa flavipes/melanoleucaLast observed by Richard Fischer on 22 Apr 2024
- large shorebird sp. Scolopacidae sp. (large shorebird sp.)Last observed by Joseph Atkinson on 10 Jul 2022
- Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperiiLast observed by McKenzie Long on 24 Jan 2024
- Cooper's Hawk/American Goshawk Accipiter cooperii/atricapillusLast observed by Alan Wight on 20 Jul 2022
- Golden/Bald Eagle Aquila chrysaetos/Haliaeetus leucocephalusLast observed by Robbie Fischer on 22 Jun 2021
- Yellow-bellied/Red-naped Sapsucker Sphyrapicus varius/nuchalisLast observed by Matt Brady on 5 Oct 2015
- Red-naped/Red-breasted Sapsucker Sphyrapicus nuchalis/ruberLast observed by Forrest English on 4 Oct 2023
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Brian Daniels on 6 Sep 1987
- Hammond's/Dusky Flycatcher Empidonax hammondii/oberholseriLast observed by Nora Livingston on 2 Oct 2023
- Cassin's/Western Kingbird Tyrannus vociferans/verticalisLast observed by Karen Ferrell on 18 May 2022
- yellow-bellied kingbird sp. Tyrannus sp. (yellow-bellied)Last observed by Deborah House on 8 Sep 2023
- California/Woodhouse's Scrub-Jay Aphelocoma californica/woodhouseiiLast observed by Eugene Huryn on 17 Mar 2024
- Sagebrush/Bell's Sparrow (Sage Sparrow) Artemisiospiza nevadensis/belliLast observed by Forrest English on 25 Feb 2024
- Bullock's/Baltimore Oriole Icterus bullockii/galbulaLast observed by Chris McCreedy - no playbacks on 3 Oct 2023
- MacGillivray's/Mourning Warbler Geothlypis tolmiei/philadelphiaLast observed by logan kahle on 25 May 2018
- Townsend's/Hermit Warbler Setophaga townsendi/occidentalisLast observed by Ursula K Heise on 5 Sep 2019
- Rose-breasted/Black-headed Grosbeak Pheucticus ludovicianus/melanocephalusLast observed by Pema Zonglo on 3 Jun 2023