Photos / Sounds

What

Monarch Butterfly Danaus plexippus

Observer

kueda

Date

August 24, 2014 11:35 AM PDT

Description

Several adults flying around too, but harder to photograph.

Photos / Sounds

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What

Checkered White Pontia protodice

Observer

kueda

Date

August 24, 2014 08:41 AM PDT

Photos / Sounds

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What

Narrowleaf milkweed Asclepias fascicularis

Observer

kueda

Date

August 24, 2014 11:36 AM PDT

Photos / Sounds

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What

Large Milkweed Bug Oncopeltus fasciatus

Observer

kueda

Date

August 24, 2014 11:36 AM PDT

Photos / Sounds

What

rod wirelettuce Stephanomeria virgata

Observer

kueda

Date

August 24, 2014 08:14 AM PDT

Photos / Sounds

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What

Green Heron Butorides virescens

Observer

rhislop

Date

August 23, 2014

Description

This bird flew in and landed right in front of me, providing an opportunity for an easy picture!

Photos / Sounds

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What

Checkered White Pontia protodice

Observer

kueda

Date

August 16, 2014 01:16 PM PDT

Description

Checkered White, flight is busier, less lilting than Cabbage. Hosts on weedy mustards.

Photos / Sounds

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What

Checkered White Pontia protodice

Observer

robberfly

Date

August 16, 2014 01:16 PM PDT

Description

Perhaps the smallest males I've seen in awhile.
Directly related to brief rains we had extending second flights palatability on host.

Photos / Sounds

What

golden eardrops Ehrendorferia chrysantha

Observer

robberfly

Date

August 16, 2014 01:19 PM PDT

Description

I thought I'd missed the big showing of rare "fire" wildflowers that emerged here. A few still in bloom.

Photos / Sounds

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What

Black-tailed Jackrabbit Lepus californicus

Observer

hfabian

Date

August 11, 2014

Description

Family of 3 near side of North Gate Road.

Photos / Sounds

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What

Sagebrush Lizard Sceloporus graciosus

Observer

hfabian

Date

August 11, 2014

Description

On summit of Mt. Diablo. This is a relic population found only on the main peak and North Peak. Preliminary DNA tests suggest they are most closely related to the population in Yolo County. Note the cell size. See Sceloporus occidentalis observation for comparison.

Photos / Sounds

What

turkey mullein Croton setigerus

Observer

kevinhintsa

Date

August 11, 2014 03:23 PM PDT

Description

A huge individual heavily in bloom . Photographed it after car broke down . This is probably less than a half mile from the North Gate kiosk .

Photos / Sounds

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What

salt heliotrope Heliotropium curassavicum

Observer

kevinhintsa

Date

August 11, 2014 03:20 PM PDT

Description

Along North Gate Road about half a mile from the kiosk . Past peak bloom . Photographed this after car broke down . This is the colony mentioned in Ertter and Bowerman`s book .

Photos / Sounds

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What

Barn Owl Tyto alba

Observer

kevinhintsa

Date

August 7, 2014 12:03 PM PDT

Photos / Sounds

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What

Heermann's tarweed Holocarpha heermannii

Observer

kevinhintsa

Date

August 7, 2014 10:52 AM PDT

Description

Along Stage Road .

Photos / Sounds

What

Western Tiger Swallowtail Papilio rutulus

Observer

kevinhintsa

Date

August 7, 2014 12:25 PM PDT

Description

Nectaring at Cirsium vulgare . Tails missing , making ID difficult . One photo by second observer made it look similar to Two-tailed Swallowtail .

Photos / Sounds

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What

Gray Hairstreak Strymon melinus

Observer

kevinhintsa

Date

August 7, 2014 12:22 PM PDT

Description

One of two individuals nectaring at Asclepias fascicularis . The other individual was fairly fresh .

Photos / Sounds

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What

Common Buckeye Junonia coenia

Observer

kevinhintsa

Date

August 7, 2014 11:56 AM PDT

Description

Worn individual . Saw several more along Stage Road .

Photos / Sounds

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Observer

kevinhintsa

Date

August 7, 2014 10:40 AM PDT

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What

Cabbage White Pieris rapae

Observer

kevinhintsa

Date

August 7, 2014 10:47 AM PDT

Description

Nectaring at Asclepias fascicularis . Note also milkweed aphids and nymphs of milkweed bugs .

Photos / Sounds

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What

Tarantulas Genus Aphonopelma

Observer

tiwane

Date

August 7, 2014 09:54 PM PDT

Description

Didn't think they'd be out this early in the year. I was wrong.

Photos / Sounds

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Observer

tiwane

Date

August 7, 2014 11:35 AM PDT

Photos / Sounds

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What

Northern Pacific Rattlesnake Crotalus oreganus ssp. oreganus

Observer

tiwane

Date

August 7, 2014 02:37 PM PDT

Photos / Sounds

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What

Northern Pacific Rattlesnake Crotalus oreganus ssp. oreganus

Observer

tiwane

Date

August 7, 2014 02:19 PM PDT

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What

Mormon Metalmark Apodemia mormo

Observer

tiwane

Date

August 7, 2014 12:50 PM PDT

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What

vinegar weed Trichostema lanceolatum

Observer

loloscheiner

Date

July 29, 2014 08:29 PM PDT

Photos / Sounds

What

tarweeds Genus Madia

Observer

loloscheiner

Date

July 29, 2014 08:25 PM PDT

Photos / Sounds

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Observer

miketroll

Date

July 27, 2014 04:24 AM PDT

Description

below the wasp

Photos / Sounds

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What

Western Toad Anaxyrus boreas

Observer

miketroll

Date

July 18, 2014 12:43 AM PDT

Place

(Somewhere...)

Description

young visitor to the planter in the yard, maybe 3.5" nose to anus

Photos / Sounds

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What

Pipestem Clematis Clematis lasiantha

Observer

kevinhintsa

Date

July 17, 2014 10:48 AM PDT

Description

In seed at Summit Trail just below the lower Summit parking lot .