Photos / Sounds

Observer

dlbowls

Date

June 26, 2017 08:32 AM PDT

Photos / Sounds

Date

July 1, 2017 09:00 AM PDT

Photos / Sounds

What

Shield False Limpet Williamia peltoides

Observer

cedric_lee

Date

April 27, 2013

Photos / Sounds

What

Coastal Green Hairstreak Callophrys viridis

Observer

robberfly

Date

March 28, 2017 11:03 AM PDT

Description

1st Day - 2017 Mission Blue Survey/GGNRA. Shot #3 - my office for 9 weeks! Note the teal blue on a fresh Coastal.

Photos / Sounds

What

Padre's Shooting Star Primula clevelandii

Observer

zabbey

Date

February 4, 2017 04:40 PM PST

Photos / Sounds

Square

What

Water Clover Marsilea vestita

Observer

merav

Date

December 25, 2016 02:22 PM PST

Description

Amphibian eggs?

Photos / Sounds

What

East Pacific Red Octopus Octopus rubescens

Date

November 13, 2016 04:23 PM PST

Description

Part of the same hatch as the previous observation.

Photos / Sounds

Square

What

Monarch Danaus plexippus

Observer

robberfly

Date

November 22, 2016 01:40 PM PST

Description

Xerces Society Monarch Surveying Day - Island has had massive development since last year. Major, mature eucalyptus trees cut down. Had 45+ Monarchs sunning mid-canopy on Coast Guard property to the East on the island. Makes me crazy how much...tremulous fragility...is projected onto these creatures. Quite, quite scrappy butterflies.

Photos / Sounds

What

Hexagon Tuskshell Dentalium neohexagonum

Observer

susanhewitt

Date

October 2, 2016 05:00 AM PDT

Photos / Sounds

What

Arboreal Salamander Aneides lugubris

Observer

serpophaga

Date

September 27, 2016 09:34 PM PDT

Description

Two of five individuals encountered on north side of island in "The Notch" on path to North Landing. A known hotspot for the species on the island.

Photos / Sounds

What

American Black Bear Ursus americanus

Observer

erricofamily

Date

April 19, 2016 05:48 AM PDT

Description

Came sniffing around our empty trash cans around 4:30 a.m., climbed over fence and spent a good 45 minutes in our yard before leaving a little present then hopping back fence and disappearing into Eaton Canyon

Photos / Sounds

Square

What

California Dutchman's Pipe Aristolochia californica

Observer

dirque

Date

February 16, 2016 12:49 PM PST

Photos / Sounds

What

Giant Rock Scallop Crassadoma gigantea

Observer

kestrel

Date

July 6, 2016 08:47 AM PDT

Description

I think this is a rock scallop? At first I thought it was an imprint of a shell in hardened anoxic mud, but it's concave and looks like there's a hinge on the other side. Any thoughts on why it's so dark?

Photos / Sounds

Square

What

Feather Boa Kelp Egregia menziesii

Observer

smartrf

Date

June 6, 2016 08:27 AM PDT

Photos / Sounds

What

Ark Shells Family Arcidae

Observer

gyrrlfalcon

Date

April 1, 2016 09:23 AM EDT

Description

I land marshy river way

Photos / Sounds

Square

What

Allen's Hummingbird Selasphorus sasin

Observer

leslie_flint

Date

April 16, 2016

Photos / Sounds

Observer

gbentall

Date

April 7, 2016 06:36 PM PDT

Description

@invertzoo, can you believe I came across these today after our recent conversation?? They were adherent on Anthopleura elegantissima Do you think they are also J. umbilicata?

Photos / Sounds

Observer

anudibranchmom

Date

March 29, 2016

Description

New one to me! This crazy nudibranch was not teeny -- about 1" long. Cream body with brown speckling and cool yellow lines. Large foot. Rows of gills like Dendronotus? Oral tentacles flicked up and down like a cockatoo's crest. BUT THE WEIRDEST THING were these crazy long flowing 'streamers' coming from the top of each rhinophore sheath - kind of looked like worms, though clearly attached and marked like the rest of the body (cream with brown specks). Found on Tubularia. Invasive? Video: https://www.flickr.com/photos/30314434@N06/25521619833/in/dateposted/

Calling out the big guns for help: @tgosliner @mcduck @rebeccafay @sluglust @kestrel @kueda

UPDATE 5/16/2016: Here's the very nice video that the California Academy of Sciences created about this guy: https://www.facebook.com/calacademy/videos/10154157032862311/

Photos / Sounds

Square

What

Ohlone Tiger Beetle Cicindela ohlone

Observer

leptonia

Date

February 13, 2016 12:25 PM PST

Photos / Sounds

Square

What

Mission Blue Icaricia icarioides ssp. missionensis

Observer

robberfly

Date

March 25, 2016 10:05 AM PDT

Description

First Adults ( three males ) observed this season up here...

Photos / Sounds

Square

What

Pacific Purple Sea Urchin Strongylocentrotus purpuratus

Observer

kestrel

Date

February 8, 2016 05:11 PM PST

Description

Most ones that I see that are this small are still green - interesting to find a tiny one that is already purple!

Photos / Sounds

Square

What

Xantus Swimming Crab Portunus xantusii

Observer

dzierten

Date

March 15, 2016 01:41 PM PDT

Photos / Sounds

Square

What

Banana Slugs Genus Ariolimax

Observer

marionanthonisen

Date

February 25, 2016 11:45 AM PST

Photos / Sounds

What

Armored Sea-Fog Lichen Niebla homalea

Observer

robberfly

Date

February 18, 2016 12:24 PM PST

Description

Best Part of Walk: this Niebla caught my eye up the hill. An old W.P.A. trail up over the summit, inaccessible for years due to poison-oak has Been Cleared! I walked in an area I'd always dreamed of exploring. Lichen-a-go-go! Not a lot of this county I've not been in...

Photos / Sounds

What

Anna's Hummingbird Calypte anna

Observer

robberfly

Date

November 29, 2015 03:03 PM PST

Description

With a friggin' cell phone on my front friggin' porch. Bam!

Photos / Sounds

What

American Bittern Botaurus lentiginosus

Observer

robberfly

Date

January 11, 2016 09:01 AM PST

Description

Gave myself one hour to look for this. Right out in the open as I walked up: really are crepuscular.

Photos / Sounds

Square

What

Ochre Sea Star Pisaster ochraceus

Observer

jmaughn

Date

November 24, 2015

Description

Having a bad day...

Photos / Sounds

Square

What

Spotted Dorid Triopha maculata

Observer

anudibranchmom

Date

December 9, 2015 02:48 PM PST

Photos / Sounds

What

Monarch Danaus plexippus

Observer

robberfly

Date

November 19, 2015 12:38 PM PST

Description

I returned from the Texas this week straight into my annual commitment to survey the Western Migration/Overwintering Sites of the Monarch ( Danaus plexxipus ) in San Francisco County.
With Mr. Adolph Sutro's "gift " of Blue Gum Eucalyptus to our city more than 100 years ago, this is a great deal more difficult than it sounds - complete "needle in haystack " work for three weeks and, to be honest, not really...fun. I've done this now for 8 years and we have so few Monarchs that a real Natural Bridges-them-flying-everywhere-in-the-canopy is something I never see. Dr. John Hafernik reported 700 in Golden Gate Park in 1997. I've never seen anything coming close to that at any historic site I visit...
Until today...
Reports had come in from the staff at the Presidio Trust of "dozens and dozens" in certain areas. Took two buses and climbed up the known north-facing wall of Rob Hill, a historic roost that had been radically altered due to restoration for the endangered San Francisco Lessinga ( Lessingia germanium ). The Presidio Trust has been working with Dr. Stuart Weiss to protect the known habitat for the Monarchs while drastically thinning the north-facing wall of Eucs. I walked to the far eastern portion of the Hill and...there they were. Numbers I've never seen it San Francisco. Most of them sunning themselves. Nothing much to nectar on but...clearly a healthy roost.
Counted approximately 225 - the most I've ever seen in our county in one day.
Not really interested in the never-ending politics of this creature - what are we doing right/what are we doing wrong - just...reveled in it's...phenomenon today.

Photos / Sounds

What

Monarch Danaus plexippus

Observer

robberfly

Date

November 19, 2015

Description

Radical restoration of this too known overwintering site. Count 9 here today.

Photos / Sounds

Square

What

Bat Star Patiria miniata

Observer

jaykeller

Date

February 21, 2015 07:24 AM PST

Photos / Sounds

What

Bat Star Patiria miniata

Observer

danielgeorge

Date

April 19, 2003 09:03 AM PDT

Photos / Sounds

What

Hopkins' Rose Okenia rosacea

Observer

anudibranchmom

Date

November 22, 2015

Description

With egg spirals. As the nudibranch moved away from the eggs, a small snail (Amphissa?) moved in. Maybe it ate some, note sure about this.
Does anyone know why there are air bubbles next to the eggs? They were not on the rest of the rock.

Photos / Sounds

Square

What

Sickle-winged Skipper Eantis tamenund

Observer

kueda

Date

November 4, 2015 03:00 PM CST

Photos / Sounds

What

Social Flycatcher Myiozetetes similis

Observer

natureinla

Date

October 28, 2015

Description

Observation and photo by Maya Lopez and Wendy Lopez, sent to nature@nhm.org.

Photos / Sounds

Square

Observer

stephanio

Date

August 24, 2015

Photos / Sounds

Observer

whodden

Date

October 12, 2012

Photos / Sounds

Square

What

Hopkins' Rose Okenia rosacea

Observer

badwound

Date

August 1, 2015 07:51 AM HST

Photos / Sounds

What

Cooper's Yoldia Yoldia cooperii

Observer

gbentall

Date

February 5, 2015 12:58 PM PST

Description

Megayoldia species, M. thraciaeformis? I have never seen this clam before! It is from deep water to 2,500 ft. Distinctive teeth on margins. Finding this guy a true moment of joy!

Photos / Sounds

Square

What

Modest Cadlina Cadlina modesta

Observer

dpom

Date

June 18, 2015 05:42 AM PDT

Description

ventral view

Photos / Sounds

What

Olive's Aeolid Anteaeolidiella oliviae

Observer

mcduck

Date

February 8, 2008

Description

16mm total length.

Photos / Sounds

Square

What

Nudibranchs Order Nudibranchia

Observer

robberfly

Date

February 16, 2015 03:36 PM PST

Description

Doesn't get much better than seeing these two side by side: Spanish Shawl and the Opalescent Nudibranch. A spectacular afternoon.

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