Field Trips

On Sunday September 10th, groups ventured out early for field trips to various locations around the Bay Area, bringing along kids and binoculars for a morning of birds, herps, and mammals.

Briones Regional Park

Credit: Leleña Avila

Group Leaders: Noëlle Bittner, Luke Bloch, and Kevin Wiseman.

Number of people: 31

Species List

Birds: Red-tailed Hawk, Turkey Vulture, Eurasian Collared-dove, Picoides sp. (Hairy or Downy?), Nuttall’s Woodpecker, Acorn Woodpecker, Black Phoebe, Western Wood-pewee, California Scrub-Jay, Steller’s Jay, Red-breasted Nuthatch, Bushtit, Oak titmouse, Chestnut-backed Chickadee, Wrentit, Ruby-crowned Kinglet (?), Dark-eyed Junco, California Towhee, Lesser Goldfinch.

Reptiles: Plestiodon skiltonianus, Sceloporus occidentalis, Pituophis catenifer, Coluber constrictor (shed skin identified by Harry Greene), Diadophis punctatus, Thamnophis atratus, Crotalus oreganus.

Mammals: Otospermophilus beecheyi, Microtus californicus, Thomomys bottae, Odocoileus hemionus.


Marin Headlands

Credit: Durrell D. Kapan

Group Leader: Andrew Rush.

Number of people: 11

Species List

Birds: Pacific Loon, Common Loon, California Quail, Double-crested Cormorant, Pied-billed Grebe, Horned Grebe, Sora, Western Gull, California Gull, Brown Pelican, Great Blue Heron, Great Egret, Turkey Vulture, Northern Harrier, Red-shouldered Hawk, Red-tailed Hawk, Cooper’s Hawk, Buteo sp., Mourning Dove, Killdeer, Anna’s Hummingbird, Downy Woodpecker, Hairy Woodpecker, Northern Flicker, American Kestrel, Black Phoebe, Hutton’s Vireo, Steller’s Jay, California Scrub-Jay, Common Raven, Violet-green Swallow, Chestnut-backed Chickadee, Pygmy Nuthatch, House Wren, Wrentit, Western Bluebird, European Starling, Yellow Warbler, Savannah Sparrow, Song Sparrow, Lincoln’s Sparrow, California Towhee, Spotted Towhee, Western Tanager, Lesser Goldfinch, House Finch, American Goldfinch.   

Mammals: Tursiops truncatus, Canis latrans.

For more details about the trip, see their iNaturalist journal entry.


Pt. Reyes National Seashore

Credit: Keana A. Richmond

Group Leaders: Alan Shabel and Phil Georgakakos.

Number of people: 30

Species List

Birds: Canada Goose, California Quail, Wild Turkey, Pacific Loon, Common Loon, Pied-billed Grebe, Brandt’s Cormorant, Double-crested Cormorant, Pelagic Cormorant, American White Pelican, Brown Pelican, Great Blue Heron, Great Egret, Snowy Egret, Turkey Vulture, Osprey, White-tailed Kite, Northern Harrier, Cooper’s Hawk, Red-shouldered Hawk, Red-tailed Hawk, Golden Eagle, American Coot, Black-necked Stilt, Black Oystercatcher, Killdeer, Yellowlegs sp., Whimbrel, Marbled Godwit, Dunlin, Least Sandpiper, Western Sandpiper, Common Murre, Ring-billed Gull, Western Gull, California Gull, Rock Pigeon, Band-tailed Pigeon, Eurasian Collared-Dove, Mourning Dove, Great Horned Owl, Anna’s Hummingbird, Acorn Woodpecker, Nuttall’s Woodpecker, Downy Woodpecker, Hairy Woodpecker, Northern Flicker, American Kestrel, Peregrine Falcon, Black Phoebe, Say’s Phoebe, Hutton’s Vireo, Steller’s Jay, California Scrub-Jay, American Crow, Common Raven, Tree Swallow, Cliff Swallow, Barn Swallow, Chestnut-backed Chickadee, Red-breasted Nuthatch, Pygmy Nuthatch, Brown Creeper, Bewick’s Wren, Golden-crowned Kinglet, Wrentit, Western Bluebird, American Robin, European Starling, Wilson’s Warbler, Spotted Towhee, Savannah Sparrow, Song Sparrow, White-crowned Sparrow, Dark-eyed Junco, Red-winged Blackbird, Brewer’s Blackbird, Brown-headed Cowbird, House Finch, Pine Siskin, Lesser Goldfinch, House Sparrow.

Reptiles: Thamnophis atratus.           

Mammals: Lynx rufus, Canis latrans, Zalophus californianus, Phoca vitulina, Mirounga angustirostris, Taxidea taxus, Lontra canadensis, Odocoileus hemionus, Cervus elaphus, Phocoena phocoena, Sciurus niger, Tamias sonomae, Thomomys bottae, Microtus californicus, Sylvilagus bachmani (?), Sylvilagus audubonii.     


Sunol Regional Wilderness

Credit: Jackie Childers

Group Leaders: Rauri Bowie, Carla Cicero, Jim McGuire, Sarah Werning.

Number of people: 58

Species List

Birds: Wild Turkey, California Quail, Great Blue Heron, Great Egret, Golden Eagle, Cooper’s Hawk, Osprey, Red-tailed Hawk, Red-shouldered Hawk, Turkey Vulture, American Kestrel, Mourning Dove, Acorn Woodpecker, Nuttall’s Woodpecker, Anna’s Hummingbird, Belted Kingfisher, Black Phoebe, Say’s Phoebe, Pacific-slope Flycatcher, Western Wood Pewee, Hutton’s Vireo, American Crow, Steller’s Jay, California Scrub Jay, Bushtit, Chestnut-backed Chickadee, Western Bluebird, American Robin, White-breasted Nuthatch, Dark-eyed Junco, California Towhee, House Finch, Lesser Goldfinch, European Starling.

Amphibians: Taricha torosa, Bufo boreas, Rana draytonii.

Reptiles: Emys marmorata, Plestiodon skiltonianus, Aspidoscelis tigris, Sceloporus occidentalis, Coluber lateralis, Crotalus oreganus, Thamnophis sirtalis.

Mammals: Microtus californicus, Peromyscus sp. sign, Thomomys bottae, Otospermophilus beecheyi, Odocoileus hemionus, Canis latrans.


Tilden Regional Park

Group Leaders: Sean Reilly and Rachel Walsh.

Number of people: 15