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Robert Siegel
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Fallen Leaf 2026
Mountain chickadee
Microbiology and Immunology retreat/conference
Stanford Sierra Camp
Fallen Leaf Lake
October 28, 2026
Canon R5m2
Grebe
Microbiology and Immunology retreat/conference
Stanford Sierra Camp
Fallen Leaf Lake
October 28, 2026
Canon R5m2
Kinglet
Ruby-crowned kinglet (Regulus calendula)
Family: Regulidae (kinglets)
Microbiology and Immunology retreat/conference
Stanford Sierra Camp
Fallen Leaf Lake
October 28, 2026
Canon R5m2
Solitaire
Beaver
Beaver (Castor canadensis)
Family: Castoridae (beavers)
Microbiology and Immunology retreat/conference
Stanford Sierra Camp
Fallen Leaf Lake
October 28, 2026
Canon R5m2
Leave it to beaver
Beaver (Castor canadensis)
Family: Castoridae (beavers)
Microbiology and Immunology retreat/conference
Stanford Sierra Camp
Fallen Leaf Lake
October 28, 2026
Canon R5m2
Large beaver lodge
Beaver (Castor canadensis)
Family: Castoridae (beavers)
Microbiology and Immunology retreat/conference
Stanford Sierra Camp
Fallen Leaf Lake
October 28, 2026
Canon R5m2
Red dragonfly
Microbiology and Immunology retreat/conference
Stanford Sierra Camp
Fallen Leaf Lake
October 28, 2026
Canon R5m2
Butterfly
Microbiology and Immunology retreat/conference
Stanford Sierra Camp
Fallen Leaf Lake
October 26, 2026
Canon R5m2
Stink bug
Microbiology and Immunology retreat/conference
Stanford Sierra Camp
Fallen Leaf Lake
October 28, 2026
Canon 7D Mark
When flies have buck teeth
Microbiology and Immunology retreat/conference
Stanford Sierra Camp
Fallen Leaf Lake
October 28, 2026
Canon 7D Mark II
Fungus
Microbiology and Immunology retreat/conference
Stanford Sierra Camp
Fallen Leaf Lake
October 28, 2026
Canon R5m2
Pine cone
Microbiology and Immunology retreat/conference
Stanford Sierra Camp
Fallen Leaf Lake
October 28, 2026
Canon R5m2
Oak branch
Microbiology and Immunology retreat/conference
Stanford Sierra Camp
Fallen Leaf Lake
October 28, 2026
Canon R5m2
Lichen love
Microbiology and Immunology retreat/conference
Stanford Sierra Camp
Fallen Leaf Lake
October 26, 2026
Pixel 10 Pro XL
Oak leaf miner
Microbiology and Immunology retreat/conference
Stanford Sierra Camp
Fallen Leaf Lake
October 28, 2026
Pixel 10 Pro XL
Microbiology and Immunology retreat/conference
Stanford Sierra Camp
Fallen Leaf Lake
October 28, 2026
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Creek
Microbiology and Immunology retreat/conference
Stanford Sierra Camp
Fallen Leaf Lake
October 28, 2026
Pixel 10 Pro XL
Pining at the lake
Microbiology and Immunology retreat/conference
Stanford Sierra Camp
Fallen Leaf Lake
October 26, 2026
Pixel 10 Pro XL
Far bank
Microbiology and Immunology retreat/conference
Stanford Sierra Camp
Fallen Leaf Lake
October 28, 2026
Pixel 10 Pro XL
Pine branch
October 28, 2026
Pixel 10 Pro XL
Fall
Lily Lake
October 28, 2026
Pixel 10 Pro XL
Microbiology and Immunology retreat/conference
Stanford Sierra Camp
Fallen Leaf Lake
October 28, 2026
Canon 7D Mark
Pine parasite
Dwarf mistletoe
Microbiology and Immunology retreat/conference
Stanford Sierra Camp
Fallen Leaf Lake
October 28, 2026
Canon 7D Mark
Group shot
Micro and Immunology retreat/conference
Stanford Sierra Camp
Fallen Leaf Lake
October 27, 2026
Canon R5m2
Tean White - Game Night
Micro and Immunology retreat/conference
Stanford Sierra Camp
Fallen Leaf Lake
October 27, 2026
Pixel 10 Pro XL
Poster perplexities
Microbiology and Immunology retreat/conference
Stanford Sierra Camp
Fallen Leaf Lake
October 27, 2026
Canon R5m2
Bob and Dave
With Dave Bunnett
Microbiology and Immunology retreat/conference
Stanford Sierra Camp
Fallen Leaf Lake
October 28, 2026
Pixel 10 Pro XL
Bob and Nate
Microbiology and Immunology retreat/conference
Stanford Sierra Camp
Fallen Leaf Lake
October 26, 2026
Pixel 10 Pro XL
Bob and Nate - take 2
Microbiology and Immunology retreat/conference
Stanford Sierra Camp
Fallen Leaf Lake
October 26, 2026
Pixel 10 Pro XL
With Morgan Marshall
Microbiology and Immunology retreat/conference
Stanford Sierra Camp
Fallen Leaf Lake
October 28, 2026
Canon R5m2
Bob and Tommy Gant
Bob
Microbiology and Immunology retreat/conference
Stanford Sierra Camp
Fallen Leaf Lake
October 28, 2026
Pixel 10 Pro XL
Aspen Bob
Bob
Lily Lake
October 28, 2026
Pixel 10 Pro XL
Staph only
Microbiology and Immunology retreat/conference
Stanford Sierra Camp
Fallen Leaf Lake
October 26, 2026
Canon R5m2
When boats pee
Microbiology and Immunology retreat/conference
Stanford Sierra Camp
Fallen Leaf Lake
October 27, 2026
Canon R5
Glen Alpine trickle
Microbiology and Immunology retreat/conference
Stanford Sierra Camp
Fallen Leaf Lake
October 27, 2026
Canon R5
Lenticular cloud over Tahoe
Microbiology and Immunology retreat/conference
Stanford Sierra Camp
Fallen Leaf Lake
October 27, 2026
Pixel 10 Pro XL
Aspen cluster
Microbiology and Immunology retreat/conference
Stanford Sierra Camp
Lily Lake
October 28, 2026
Canon 7D Mark II
Microbiology and Immunology retreat/conference
Stanford Sierra Camp
Lily Lake
October 28, 2026
Canon 7D Mark II
Bubbles
Microbiology and Immunology retreat/conference
Stanford Sierra Camp
Lily Lake
October 28, 2026
Canon 7D Mark II
Lakes Fallen Leaf and Tahoe
Microbiology and Immunology retreat/conference
Stanford Sierra Camp
Fallen Leaf Lake
October 27, 2026
Canon R5
Hikers
Microbiology and Immunology retreat/conference
Stanford Sierra Camp
Fallen Leaf Lake
October 27, 2026
Pixel 10 Pro XL
Arm with wings
Microbiology and Immunology retreat/conference
Stanford Sierra Camp
Fallen Leaf Lake
October 28, 2026
Pixel 10 Pro XL
Cathedrale room with Joel Simon photos
Microbiology and Immunology retreat/conference
Stanford Sierra Camp
Fallen Leaf Lake
October 28, 2026
Pixel 10 Pro XL
The Fountain Deck sign
Signs
Microbiology and Immunology retreat/conference
Stanford Sierra Camp
Fallen Leaf Lake
October 26, 2026
Canon R5m2
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More Fallen Leaf photos
Fallen Leaf 2026 Microbiology and Immunology Retreat/Conference
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Fallen Leaf 2024 Microbiology and Immunology Retreat/Conference
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Fallen Leaf 2020 with the Hillmans - Margo, Rob, Aryeh, and Nicole
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Fallen Leaf 2016
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Fallen Leaf 2011
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Fallen Leaf 2008 - The Stanford Safari
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Fallen Leaf 2004 - Department of Microbiology and Immunology Retreat - October 2004
More Stanford pix
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Stanfordscapes
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1000 feet
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Stanford Safari - 2008
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Steam
tunneling
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Dish walks
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PNG
sculpture garden - in
progress
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Arizona
garden
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Jasper
Ridge
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Eucalyptus
grove
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The quad
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Stanford fun
guy
More nature pix
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Flowers
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Animalz
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Año Nuevo
Other links
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Henry Coe
flowers
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Stanford trees
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Stanford birds
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Last modified: November 3, 2026
Created: October 30, 2026 (from fallenleaf2024.html
Contact: siegelr@stanford.edu
All pictures are protected by copyright. Do not use without permission.