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Butterbredt Spring
Illustrated Checklist
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Native and Naturalized (239)
Exotic: Provisional (1)
Hybrids (1)
- Townsend's x Hermit Warbler (hybrid) Setophaga townsendi x occidentalisLast observed by Matt Brady on 5 Jun 2011
Additional Taxa (47)
- Yellow-bellied/Red-naped Sapsucker Sphyrapicus varius/nuchalisLast observed by Sasha Robinson on 24 Apr 2022
- Nuttall's/Ladder-backed Woodpecker Dryobates nuttallii/scalarisLast observed by Ian Davies on 8 Apr 2023
- Hammond's/Dusky Flycatcher Empidonax hammondii/oberholseriLast observed by Ron Hirst on 28 May 2023
- yellow-bellied kingbird sp. Tyrannus sp. (yellow-bellied)Last observed by Thomas Wurster on 31 May 2019
- solitary vireo sp. Vireo cassinii/solitarius/plumbeusLast observed by Vaughan Williams on 22 Apr 2023
- California/Woodhouse's Scrub-Jay Aphelocoma californica/woodhouseiiLast observed by Loren Wright on 9 Apr 2022
- Sagebrush/Bell's Sparrow (Sage Sparrow) Artemisiospiza nevadensis/belliLast observed by Jodhan Fine on 23 Apr 2023
- Red-winged/Tricolored Blackbird Agelaius phoeniceus/tricolorLast observed by Dan Maxwell on 1 Jun 2020
- Rose-breasted/Black-headed Grosbeak Pheucticus ludovicianus/melanocephalusLast observed by Brian Hofstetter on 6 Jun 2022