Green Valley Wildlife Yard List 2024

Acorn Woodpecker (Melanerpes formicivorus) female Green Valley, Los Angeles County, California 12 April 2020 Callyn Yorke

WILDLIFE YARD LIST (1988-2024)

Callyn Yorke

N 34 36.960′ W 118 24.079′ Los Angeles County, California (Elevation 3,000 ft.). Ecotone: Coast Live Oak (Quercus agrifolia) – Upland Chaparral (Eriogonum, Adenostoma, Eriodictyon, Ceanothus); Riparian (artificial ponds, mature plantings of Sycamore and Cottonwood) with predominately native vegetation of Southern California.

KEY

C = common (3-10 individuals); U = uncommon (1-2 individuals; absent some years); R = rare (three or fewer occurrences); B = breeding locally; WR = winter resident; T = transient (i.e. seasonal); I = introduced; E = locally extirpated; (m/d/y) = date of initial sighting with additional notes; FS = feeding station, including mixed seed on the ground and suspended suet; hummingbird feeder added in 2023.

Blainville’s Horned Lizard (Phrynosoma blainvillii) juvenile, Green Valley, Los Angeles County, CA 27 April 2020 Callyn Yorke

Amphibians and Reptiles (10 Species)

  • Western Toad Anaxyrus boreas U
  • Pacific Tree Frog Pseudacris regilla U
  • Western Fence Lizard Sceloporus occidentalis C
  • Side-blotched Lizard Uta stansburiana C
  • Blainville’s Horned Lizard Phrynosoma blainvillii U
  • Western Whiptail Aspidoscelis tigris U
  • Northern California Legless Lizard Anniella pulchra (I – a released captive found in the yard about two years later)
  • Southern Alligator Lizard Elgaria multicarinata U
  • California Whipsnake Masticophis lateralis U
  • Southern Pacific Rattlesnake Crotalus helleri U

BIRDS (107 Species)

Cassin’s Finch (Haemorhous cassinii) male, Green Valley, Los Angeles County, CA 25 February 2023 Callyn Yorke
  • Canada Goose Branta canadensis R, T
  • Mallard Anas platyrhynchos R, T
  • Northern Bobwhite Colinus virginianus I, R – probably an escapee from a local game bird ranch.
  • Mountain Quail Oreortyx pictus R, T
  • California Quail Callipepla californica C, B; FS
  • Ring-necked Pheasant Phasianus colchicus I, R – probably an escapee from a local game bird ranch.
  • Feral Rock Pigeon Columba livia I, U
  • Band-tailed Pigeon Patagioenas fasciata C; FS
  • Eurasian Collared Dove Streptopelia decaocto I, C; FS (2/6/2010)
  • Spotted Dove Streptopelia chinensis I, E; FS (formerly fairly common in Green Valley; apparently replaced by a congeneric exotic, S. decaocto, around 2008).
  • Mourning Dove Zenaida macroura C; FS
  • Greater Roadrunner Geococcyx californianus R, (B?)
  • Vaux’s Swift Chaetura vauxi U, T
  • White-throated Swift Aeronautes saxatalis R, T
  • Black-chinned Hummingbird Archochilus alexandri C, T, B, FS
  • Anna’s Hummingbird Calypte anna C, B, FS
  • Costa’s Hummingbird Calypte costae U, T, FS
  • Rufous Hummingbird Selasphorus rufus C, T, FS
  • Allen’s Hummingbird Selasphorus sasin, U, T, FS
  • Ring-billed Gull Larus delawarensis R, T
  • Great Blue Heron Ardea herodias R, T
  • Turkey Vulture Cathartes aura U, T
  • Sharp-shinned Hawk Accipiter striatus U, T
  • Cooper’s Hawk Accipiter cooperii U, B
  • Northern Goshawk Accipiter gentilis R, T (1/14/2012 – one sighting – alighted briefly atop an oak tree in the front yard)
  • Red-shouldered Hawk Buteo lineatus C, B
  • Red-tailed Hawk Buteo jamaicensis C, B
  • Swainson’s Hawk Buteo swainsoni R, T (3/13/22)
  • Barn Owl Tyto alba U, B
  • Western Screech Owl Megascops kennicottii U, B
  • Great Horned Owl Bubo virginianus U, B
  • Lewis’s Woodpecker Melanerpes lewis U, T
  • Acorn Woodpecker Melanerpes formicivorus C, B; FS
  • Red-breasted Sapsucker Sphyrapicus ruber U, T
  • Nuttall’s Woodpecker Dryobates nuttallii C, B, FS
  • Downy Woodpecker Dryobates pubesens U, T; FS
  • Hairy Woodpecker Dryobates villosus U, T
  • Northern (Red-shafted) Flicker Colaptes auratus C, T, B; FS
  • American Kestrel Falco sparverius U, T
  • Olive-sided Flycatcher Contopus cooperi U, T
  • Western Wood Pewee Contopus sordidulus U, T
  • Pacific-slope Flycatcher Empidonax difficilis U, T
  • Black Phoebe Sayornis nigricans U, B
  • Ash-throated Flycatcher Myiarchus cinerascens C, B
  • Western Kingbird Tyrannus verticalis U, T
  • Warbling Vireo Vireo gilvus U, T
  • California Scrub-Jay Aphelocoma californica C, B; FS
  • Steller’s Jay Cyanocitta stelleri U, T; FS (2/2022;23)
  • American Crow Corvus brachyrhynchos C, B; FS
  • Northern Raven Corvus corax C, B, FS
  • Mountain Chickadee Poecile gambeli U, T; FS
  • Oak Titmouse Baeolophus inornatus C, B, FS
  • Cliff Swallow Petrochelidon pyrrhonota U, T
  • Bushtit Psaltriparus minimus U, B
  • Ruby-crowned Kinglet Regulus calendula U, T
  • Wrentit Chamaea fasciata U, B
  • White-breasted Nuthatch Sitta carolinensis C, B; FS
  • Canyon Wren Catherpes mexicanus U, T
  • House Wren Troglodytes aedon U, B
  • Bewick’s Wren Thryomanes bewickii C, B
  • Blue-gray Gnatcatcher Polioptila caerulea R, T
  • Common Starling Sturnus vulgaris I, U, B
  • California Thrasher Toxostoma redivivum U, B; FS
  • Northern Mockingbird Mimus polyglottos U, T
  • Western Bluebird Sialia mexicana U, B
  • Swainson’s Thrush Catharus ustulatus R, T
  • Hermit Thrush Catharus guttatus U,T
  • American Robin Turdus migratorius C, T
  • Varied Thrush Ixoreus naevius R, T
  • Cedar Waxwing Bombycilla cedrorum C, T
  • Phainopepla Phainopepla nitens U, T
  • House Sparrow Passer domesticus I, U, B; FS
  • House Finch Haemorhous mexicanus C, B; FS
  • Purple Finch Haemorhous purpureus U, T; FS
  • Cassin’s Finch Haemorhous cassinii U, T; FS (2/25 – 3/22, 2023)
  • Pine Siskin Spinus pinus U, T; FS
  • Lesser Goldfinch Spinus psaltria C, T; FS
  • Lawrence’s Goldfinch Spinus lawrencei U, T
  • American Goldfinch Spinus tristis U, T
  • Spotted Towhee Pipilo maculatus C, B; FS
  • California Towhee Melozone crissalis C, B; FS
  • Chipping Sparrow Spizella passerina U, T; FS
  • Vesper Sparrow Pooecetes gramineus R, T (9/21/94)
  • Lark Sparrow Chondestes grammacus R, T (4/15/94)
  • Sooty Fox Sparrow Passerella iliaca unalaschcensis U, WR, T; FS
  • Lincoln’s Sparrow Melospiza lincolnii U, WR; FS (2/14/2020)
  • White-crowned Sparrow Zonotrichia leucophrys gambelii C, T, WR; FS
  • Golden-crowned Sparrow Zonotrichia atricapilla C, T, WR; FS
  • Dark-eyed (Oregon) Junco Junco hyemalis thurberi C, WR; FS
  • Dark-eyed (Pink-sided) Junco Junco hyemalis mearnsi R, WR; FS
  • Dark-eyed (Slate-colored) Junco hyemalis hyemalis U, WR; FS
  • Hooded Oriole Icterus cucullatus C, T, FS
  • Bullock’s Oriole Icterus bullockii C, B
  • Red-winged Blackbird Agelaius phoeniceus U, T; FS
  • Brewer’s Blackbird Euphagus cyanocephalus U, T; FS
  • Brown-headed Cowbird Molthrus ater U, T
  • Western Meadowlark Sturnella neglecta R, T
  • Orange-crowned Warbler Leiothlypis celata U, T
  • Nashville Warbler Leiothlypis ruficapilla U, T
  • Yellow Warbler Setophaga petechia U, T
  • Yellow-rumped (Audubon’s) Warbler Setophaga coronata C, T
  • Black-throated Gray Warbler Setophaga nigrescens U, T
  • Hermit Warbler Setophaga occidentalis U, T
  • Townsend’s Warbler Setophaga townsendi U, T
  • Wilson’s Warbler Cardellina pusilla U, T
  • Western Tanager Piranga ludoviciana C, T
  • Rose-breasted Grosbeak Pheucticus ludovicianus R, T
  • Black-headed Grosbeak Pheucticus melanocephalus, C, T, B; FS
  • Lazuli Bunting Passerina amoena U,T

Mammals (17 Species)

  • Opossum Didelphus virginiana U, B
  • Big Brown Bat Eptesicus fuscus U, B
  • California Myotis Myotis californicus U, B
  • Black Bear Ursus americanus R
  • Raccoon Procyon lotor C, B
  • Striped Skunk Mephitis mephitis U, B
  • Coyote Canis latrans U, B
  • Gray Fox Urocyon cinereoargenteus R, B
  • California Ground Squirrel Otospermophilus beecheyi C, B; FS
  • Western Gray Squirrel Sciurus griseus R, B? (nearly extirpated, apparently replaced by invasive exotic, S. niger, since about 2010; largely absent in Green Valley for several consecutive years; one adult present at bird FS, 3/21/2023).
  • Eastern Fox Squirrel Sciurus niger I, C, B; FS
  • Merriam’s Chipmunk Tamias merriami C, B; FS
  • Valley Pocket Gopher Thomomys bottae C, B
  • Deer Mouse Peromyscus maniculatus C, B
  • Dusky-footed Woodrat Neotoma fuscipes C, B; FS
  • Black-tailed Jackrabbit Lepus californicus U
  • Desert Cottontail Sylvilagus audubonii U, B