Hellyer Park Winter Bird Walk
December 14, 2019

Our city forest

Coast live oak (Quercus agrifolia)
Family: Fabaceae
Hellyer Park Winter Bird Walk
December 14, 2019
Canon 7Dmark2

Squirrel

Fox squirrel (Sciurus niger)
Family: Sciuridae
Hellyer Park Winter Bird Walk
December 14, 2019
Canon 7Dmark2

Slimed

White-footed slime (Diachea leucopodia)
Family: Didymiaceae
Hellyer Park Winter Bird Walk
December 14, 2019
Canon 7Dmark2

White-footed slime (Diachea leucopodia)
Family: Didymiaceae
Hellyer Park Winter Bird Walk
December 14, 2019
Canon 7Dmark2

White-footed slime (Diachea leucopodia)
Family: Didymiaceae
Hellyer Park Winter Bird Walk
December 14, 2019
Canon 7Dmark2

Mushrooms

Honey mushroom (Armillaria)
Family: Physalacriaceae
Hellyer Park Winter Bird Walk
December 14, 2019
Canon 7Dmark2

Meadow mushroom (Agaricus campestris)
Family: Agaricaceae (field mushrooms, puffballs)
Hellyer Park Winter Bird Walk
December 14, 2019
Canon 7Dmark2

Meadow mushroom (Agaricus campestris)
Family: Agaricaceae (field mushrooms, puffballs)
Hellyer Park Winter Bird Walk
December 14, 2019
Canon 7Dmark2

Acorn woodpecker (Melanerpes formicivorus)
Family: Picidae (woodpeckers)
Hellyer Park Winter Bird Walk
December 14, 2019
Canon 7Dmark2

Awkward pose

Chestnut-backed chickadee (Poecile rufescens )
Family: Paridae (tits titmice, chicadees)
Hellyer Park Winter Bird Walk
December 14, 2019
Canon 7Dmark2

White-crowned

White-crowned sparrow (Zonotrichia leucophrys)
Family: Passerellidae (New World sparrows)
Hellyer Park Winter Bird Walk
December 14, 2019
Canon 7Dmark2

Sparrow with bug

White-crowned sparrow (Zonotrichia leucophrys)
Family: Passerellidae (New World sparrows)
Hellyer Park Winter Bird Walk
December 14, 2019
Canon 7Dmark2

Great egret

Great egret ()
Family:
Hellyer Park Winter Bird Walk
December 14, 2019
Canon 7Dmark2

Great egret

Great egret
Hellyer Park Winter Bird Walk
December 14, 2019
Canon 7Dmark2

Great blue heron
Hellyer Park Winter Bird Walk
December 14, 2019
Canon 7Dmark2

Mallard smiling

Male mallard (Anas platyrhynchos)
Family: Anatidae
Hellyer Park Winter Bird Walk
December 14, 2019
Canon 7Dmark2

Mallard laughing

Domestic mallard (Anas platyrhynchos)
Family: Anatidae
Hellyer Park Winter Bird Walk
December 14, 2019
Canon 7Dmark2

Mallard

Female mallard (Anas platyrhynchos)
Family: Anatidae
Hellyer Park Winter Bird Walk
December 14, 2019
Canon 7Dmark2

Mallard

Female mallard (Anas platyrhynchos)
Family: Anatidae
Hellyer Park Winter Bird Walk
December 14, 2019
Canon 7Dmark2

Muscovy

Muscovy duck (Cairina moschata)
Family: Anatidae
Hellyer Park Winter Bird Walk
December 14, 2019
Canon 7Dmark2

Bad feather day

Domestic greylag goose (Anser anser var. domesticus)
Hellyer Park Winter Bird Walk
December 14, 2019
Canon 7Dmark2

Greater white-fronted goose (Anser albifrons)
Family: Anatidae
Hellyer Park Winter Bird Walk
December 14, 2019
Canon 7Dmark2

Greater white-fronted goose (Anser albifrons)
Family: Anatidae
Hellyer Park Winter Bird Walk
December 14, 2019
Canon 7Dmark2

Greater white-fronted goose (Anser albifrons)
Family: Anatidae
Hellyer Park Winter Bird Walk
December 14, 2019
Canon 7Dmark2

Greater white-fronted goose (Anser albifrons)
Hellyer Park Winter Bird Walk
December 14, 2019
Canon 7Dmark2

Domestic Greylag goose (Anser anser domesticus)
Family: Anatidae
Hellyer Park Winter Bird Walk
December 14, 2019
Canon 7Dmark2

American coot
Hellyer Park Winter Bird Walk
December 14, 2019
Canon 7Dmark2

Velodrome

Bikes
Hellyer Park Winter Bird Walk
December 14, 2019
Canon 7Dmark2

Pyracantha

Firethorn (Pyracantha coccinea)
Family: Rosaceae (rose family)
Hellyer Park Winter Bird Walk
December 14, 2019
Canon 7Dmark2

Pizza catz

Pizza
Cats
Hellyer Park Winter Bird Walk
December 14, 2019
Canon 7Dmark2

Dead bird

Dead birds
Hellyer Park Winter Bird Walk
December 14, 2019
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Oshkosh

Tiger
Hellyer Park Winter Bird Walk
December 14, 2019
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Truncated

Oak
Hellyer Park Winter Bird Walk
December 14, 2019
Canon 7Dmark2

Hellyer Park August Bioblitz
August 11, 2019

Killdeer

Killdeer
Hellyer Park August Bioblitz
August 11, 2019
Canon 7Dmark2

Two cormorants

Cormorants
Hellyer Park August Bioblitz
August 11, 2019
Canon 7Dmark2

Damselfly

Damselfly
Hellyer Park August Bioblitz
August 11, 2019
Canon 7Dmark2

Hellyer Park City Challenge Bioblitz
April 28, 2019

Merav explaining

Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

Merav explaining

Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

Common slider (Trachemys scripta)
Family: Emydidae (pond and box turtles)
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

Common slider (Trachemys scripta)
Family: Emydidae (pond and box turtles)
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

Snow in Hell

Domestic mallard ()
Family: Anatidae
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

Snow in Hell

Domestic mallard (Anas platyrhynchos)
Family: Anatidae
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

Domestic mallard ()
Family: Anatidae
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

Snow goose (Chen caerulescens)
Family: Anatidae
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

Snow goose (Chen caerulescens)
Family: Anatidae
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

Canada goose (Branta canadensis) Family: Anatidae
Hellyer Park City Challenge Bioblitz
April 28, 2019
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Headshot

Canada goose (Branta canadensis) Family: Anatidae
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

Mallard (Anas platyrhynchos)
Family: Anatidae
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

Muscovy duck (Cairina moschata)
Family: Anatidae
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

American coot (Fulica americana)
Family: Rallidae
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

Pied-billed grebe (Podilymbus podiceps)
Family: Podicipedidae
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

Pied-billed grebe (Podilymbus podiceps)
Family: Podicipedidae
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

A hard act

Northern rough-winged swallow (Stelgidopteryx serripennis)
Family: Hirundinidae (swallows and martins)
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

European starling (Sturnus vulgaris)
Family: Sturnidae (starlings)
Pineapple weed (Matricaria discoidea)
Family: Asteraceae (sunflowers, daisies, asters)
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

California ground squirrel (Otospermophilus beecheyi)
Family:
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

WFL

Western fence lizard (Sceloporus occidentalis)
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

As woody as cotton

Eastern cottonwood (Populus deltoides )
Family Salicaceae (willow family)
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

Eastern cottonwood (Populus deltoides )
Family Salicaceae (willow family)
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

Cottonwood

Eastern cottonwood (Populus deltoides )
Family Salicaceae (willow family)
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

Damselfly

Damselfly - vivid dancer (Argia vivida)
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

Skipper on convolvulus

Skipper ()
Convolvulus ()
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

Robin

American robin (Turdus migratorius)
Family: Turdidae
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

Water boatman ()
Family: Corixidae
Order: Hemiptera
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

Water boatman ()
Family: Corixidae
Order: Hemiptera
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

Gall ()
Family:
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

Salsify (Tragopogon porrifolius i)
Family: Asteraceae
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

Salsify (Tragopogon porrifolius i)
Family: Asteraceae
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

Redwood cone

California redwood (Sequoia sempervirens)
Family: Cupressaceae
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

Red swamp crayfish (Procambarus clarkii)
Family: Cambaridae
Order: Decapoda
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

Red swamp crayfish (Procambarus clarkii)
Family: Cambaridae
Order: Decapoda
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

Spring orygia

Tussock moth (Orygia)
Family: Erebidae
on coast live oak (Quercus agrifolia)
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

Tussock

Tussock moth (Orygia)
Family: Erebidae
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

Tussock

Tussock moth (Orygia)
Family: Erebidae
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

Becoming a lady

Asian lady beetle (Harmonia axyridis)
Family: Coccinellidae
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

Junco with insect

Dark-eyed junco (Junco hyemalis)
Family: Passerellidae (New World sparrows)
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

()
Family: Asteraceae
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

Wild radish (Raphanus sativus)
Family: Brassicaceae (mustard family)
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

Turkey vulture (Cathartes aura)
Family: Cathartidae (New World vultures)
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

()
Family:
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

Great-tailed grackle (Quiscalus mexicanus)
Family: Icteridae
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

Housefly

Fly ()
Family:
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

Beetle ()
Family:
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

()
Family:
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

Bob and Sue

Bob and Sue Bowling
Hellyer Park City Challenge Bioblitz
April 28, 2019
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Bob and Deb

Bob and Deb Kramer
Hellyer Park City Challenge Bioblitz
April 28, 2019
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Lake

Hellyer Lake
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

Follow your dreams

Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

Hellyer Park Spring Wildlife Walk
April 6, 2019

Vociferous

Killdeer (Charadrius vociferus)
Family: Charadriidae
Hellyer Park Spring Wildlife Walk
April 6, 2019
Canon 7Dmark2

Caterpillars on leaf

Moth ()
Family:
Hellyer Park Spring Wildlife Walk
April 6, 2019
Canon 7Dmark2

American Bullfrog (Lithobates catesbeianus)
Hellyer Park Spring Wildlife Walk
April 6, 2019
Canon 7Dmark2

Black-crowned night heron (Nycticorax nycticorax)
Hellyer Park Spring Wildlife Walk
April 6, 2019
Canon 7Dmark2

Pine

Pine ()
Hellyer Park Spring Wildlife Walk
April 6, 2019
Canon 7Dmark2

Coot

American coot (Fulica americana)
Hellyer Park Spring Wildlife Walk
April 6, 2019
Canon 7Dmark2

Coot with stick

American coot (Fulica americana)
Family:
Hellyer Park City Challenge Bioblitz
April 28, 2019
Canon 7Dmark2

Speedwell

Bird's-eye Speedwell (Veronica persica)
Family: Plantaginaceae (plantain family) Hellyer Park Spring Wildlife Walk
April 6, 2019
Canon 7Dmark2

Daisy

Common Daisy (Bellis perennis)
Hellyer Park Spring Wildlife Walk
April 6, 2019
Canon 7Dmark2

Like a wolf

Lupine ()
Hellyer Park Spring Wildlife Walk
April 6, 2019
Canon 7Dmark2

Rattled out of his skin

Northern Pacific Rattlesnake (Crotalus oreganus oreganus) - subspecies of Western rattlesnake
Hellyer Museum Serpentarium
Hellyer Park Spring Wildlife Walk
April 6, 2019
Canon 7Dmark2

Related pages:

Bioblitzes

Coyote Creek

Bay Area pictures

Bioblitz

Last modified: February 14, 2020
Created: April 11, 2019 (from coyotevalley.html)
Contact: siegelr@stanford.edu
All pictures are protected by copyright. Do not use without permission.