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What

Common Checkered-Skipper Pyrgus communis

Observer

sterling

Date

October 21, 2014 11:06 AM PDT

Photos / Sounds

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What

Stick Insects Order Phasmida

Observer

lorri-gong

Date

October 19, 2014

Description

A friend found this in her garden. Expanded range? or escaped pet? We think it's a female Northern. Can anyone confirm?

Photos / Sounds

What

Firedots Genus Caloplaca

Observer

metsa

Date

October 18, 2014 03:32 PM PDT

Description

On cement wall of Battery Boutella (built 1901-1917)
Bright orange apothecia with yellow rims

Photos / Sounds

What

English Plantain Plantago lanceolata

Observer

metsa

Date

October 18, 2014 03:37 PM PDT

Description

Trying to grow between cement edges

Photos / Sounds

No photos or sounds

Observer

rdelwiche

Date

October 10, 2014 01:28 PM PDT

Photos / Sounds

No photos or sounds

Observer

rdelwiche

Date

October 10, 2014 01:27 PM PDT

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What

Song Sparrow Melospiza melodia

Observer

robberfly

Date

October 18, 2014

Description

Lots of Birding activity: local Audubon chapter has a huge Volunteer program here.

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What

Anna's Hummingbird Calypte anna

Observer

robberfly

Date

October 18, 2014

Description

Lots of flowering plants here. Thought I'd see more butterflies. Anna's taking advantage of the Pride-of-Madera.

Photos / Sounds

What

Western Gull Larus occidentalis

Observer

robberfly

Date

October 18, 2014

Description

Half the island is closed off each season for the returning 1,100 pairs that breed here: largest west coast rookery for this species.

Photos / Sounds

What

Bushy Lichens Genus Ramalina

Observer

robberfly

Date

October 18, 2014 11:16 AM PDT

Photos / Sounds

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What

Polypody Ferns Genus Polypodium

Observer

robberfly

Date

October 18, 2014 11:50 AM PDT

Description

With all the naturalized, non-natives covering the place, cool to see this native busting out through the ruins...

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What

Orbweavers Family Araneidae

Observer

robberfly

Date

October 18, 2014 12:05 PM PDT

Description

Tons of these between the Labyrinth webs...

Photos / Sounds

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Observer

robberfly

Date

October 18, 2014 12:04 PM PDT

Description

Surprisingly few insects about.

Photos / Sounds

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What

Century Plant Agave americana

Observer

robberfly

Date

October 18, 2014 12:03 PM PDT

Description

My first visit here...and I've lived in SF for 30 years. The agave was planted to thwart small craft landings to help prisoners escape...

Photos / Sounds

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What

Fox Squirrel Sciurus niger

Observer

sterling

Date

October 16, 2014 10:59 AM PDT

Photos / Sounds

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What

Brown Pelican Pelecanus occidentalis

Observer

sterling

Date

October 17, 2014 09:53 AM PDT

Photos / Sounds

What

Osprey Pandion haliaetus

Observer

sterling

Date

October 17, 2014 09:55 AM PDT

Place

(Somewhere...)

Description

Couldn't get a good pick with the 'ol phone. But I saw her come off the water with a fish in talon.

Photos / Sounds

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What

Lime Citrus × latifolia

Observer

sterling

Date

October 16, 2014 04:18 PM PDT

Photos / Sounds

Observer

amontero

Date

March 21, 2014 02:34 PM PDT

Place

(Somewhere...)

Photos / Sounds

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What

Gulf Fritillary Agraulis vanillae

Observer

megallegos

Date

October 13, 2014 06:22 PM PDT

Place

(Somewhere...)

Photos / Sounds

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What

coast live oak Quercus agrifolia

Observer

jsifuenteswinter

Date

July 21, 2014 12:11 PM PDT

Place

Fort Baker (Google, OSM)

Photos / Sounds

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What

Curly dock Rumex crispus

Observer

jsifuenteswinter

Date

October 10, 2014

Place

Fort Baker (Google, OSM)

Photos / Sounds

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What

Mugwort Artemisia douglasiana

Observer

jsifuenteswinter

Date

October 10, 2014

Place

Fort Baker (Google, OSM)

Photos / Sounds

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Observer

jsifuenteswinter

Date

October 10, 2014

Place

Fort Baker (Google, OSM)

Photos / Sounds

Observer

jsifuenteswinter

Date

October 10, 2014

Place

Fort Baker (Google, OSM)

Photos / Sounds

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What

Vivid Dancer Argia vivida

Observer

jsifuenteswinter

Date

October 10, 2014 01:16 PM PDT

Place

Fort Baker (Google, OSM)

Photos / Sounds

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What

Orange sulphur Colias eurytheme

Observer

dgreenberger

Date

October 9, 2014 02:02 PM PDT

Photos / Sounds

No photos or sounds

Observer

test_biocaching1

Date

October 9, 2014 01:18 PM BST

Place

(Somewhere...)

Photos / Sounds

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What

beach strawberry Fragaria chiloensis

Observer

mrchasse

Date

October 4, 2014 04:34 PM PDT

Place

Fort Point (Google, OSM)

Description

Growing in shallow soil, between brick and cement, on the top of the Fort. Occurrence is on the southwestern side of the Fort, directly under the Golden Gate Bridge.

Photos / Sounds

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What

beardless wild rye Elymus triticoides

Observer

mrchasse

Date

October 6, 2014 11:16 AM PDT

Description

One of the few native vascular plant species on an island otherwise dominated by ornamentals and typical urban weeds.