San Francisco Bay Wildlife
Wildlife of the San Francisco Bay Area


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 |--Painted Lady
 |--Western Tiger Swallowtail
 |--Rancho San Antonio Butterflies

Two-tailed Swallowtail
Two-tailed Swallowtail - Papilio multicaudata
Mount Diablo State Park

Checkered White
Checkered White - Pontia protodice
Sunol Regional Wilderness

Gorgon Copper
Gorgon Copper - Lycaena gorgon
Mount Diablo State Park

Golden Hairstreak
Golden Hairstreak - Habrodais grunus
Long Ridge Open Space Preserve

Butterfly Counts in San Francisco Bay Area

Annual butterfly counts are organized by the North American Butterfly Association (NABA). Count circles are 15 miles in diameter. Year 2015 Counts for the greater Bay area are listed below. Please contact the compiler for a particular count if you are interested in participating.

For information about Butterflies of the Bay area see the Butterflies page.

Updated for 2017

Greater Bay Area

Location Date Compiler (Organizer Contact Info Highlights
Marin County 3 June Wendy Dreskin bdreskin(at) Area stretches from Audubon Canyon Ranch to Ring Mountain Preserve
San Bruno Mountain 3 June Patrick Kobernus crecology(at) Three endangered butterflies are possible here. San Bruno Mountain State & County Park information.
Pinnacles National Park 4 June Paul Johnson paul_johnson(at) 7 national high counts in 2015. National Park information.
Big Creek (Big Sur) Mark Readdie readdie(at) Cancelled due to road closures.
Hastings Reservation 10 June Chris Tenney tenneyx2(at) Features the Unsilvered Fritillary, a nationally unique species. Hastings is part of the University of California Natural Reserve System.
Monterey 11 June Chris Tenney tenneyx2(at) 46 species in 2016
Berkeley 16 June Jerry Powell powellj(at) Regularly records 40+ species
San Francisco 18 June Liam O'Brien liammail56(at) All-time national record high for Anise Swallowtail in 2011. Results from past years.
Mount Diablo 19 June Rich Kelson rkelson(at) Regularly records 40+ species. State Park information.
Benicia 22 June Paul Johnson paul_johnson(at) Yuma Skipper and 5 swallowtail species found here
Point Reyes 30 June Ben Becker ben_becker(at) Located on beautiful National Park lands

Farther afield in Northern and Central California

Location Date Compiler (Organizer Contact Info Highlights
Big Chico Creek 2 June Don Miller DGMiller(at) At a CSU Reserve
Cosumnes River Preserve 17 June Kyle Bowlin bowlink(at) At a Nature Conservancy preserve
San Joaquin County 17 June Kathy Schick kaschick(at) 38th year of this count
Warner Mountains North 24 June Joseph Smith foxglove1985(at) 90 species in 2016
Lava Beds 26 June Joseph Smith foxglove1985(at) National Monument - average 44 species
Yuba Pass 3 July Paul Opler Paulopler(at) 70 species in 2015
Butterfly Valley 4 July Paul Opler Paulopler(at) 2nd year of count. Great potential! Buttefly Valley Botanical Area information.
South Lake Tahoe 16 July Will Richardson will(at)
Mt. Lassen 22 July Joseph Smith foxglove1985(at) National Park - 74 species in 2016
White Mountains 29 July Chris Tenney tenneyx2(at) Highest elevation count in CA. White Mountains information.
Yosemite 31 July Sarah Stock Sarah_stock(at) 12 national high species counts in 2013, 11 in 2015. Yosemite National Park information.

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