Photos / Sounds

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What

Red-winged Blackbird Agelaius phoeniceus

Observer

c_michael_hogan

Date

April 11, 2014

Description

Seen terrestrially not far from the southern shoreline of Lake Ralphine.

Photos / Sounds

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What

red-winged blackbirds Genus Agelaius

Observer

c_michael_hogan

Date

April 11, 2014

Description

Seen foraging on the ground near the shoreline of this freshwater lake.

Photos / Sounds

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What

Western Yellow-bellied Racer Coluber constrictor ssp. mormon

Observer

protecthabitat

Date

April 23, 2014 02:02 PM PDT

Photos / Sounds

What

Coyote Canis latrans

Observer

protecthabitat

Date

April 13, 2014 08:59 AM PDT

Photos / Sounds

Observer

kerrywininger

Date

April 22, 2014 11:48 AM PDT

Photos / Sounds

What

California Black Oak Quercus kelloggii

Observer

c_michael_hogan

Date

April 19, 2014

Description

This Q. kelloggii was seen in a residential neighborhood. Its age is about sixty years, exceeding the age of any homes on this ridge. Note two instances of young leaves sprouting directly from the trunk.

Tags

oak

Photos / Sounds

Observer

c_michael_hogan

Date

April 19, 2014

Description

This moss was seen growing on the trunk of a living Quercus kelloggii tree about two meters above the soil surface.

Tags

Photos / Sounds

What

Acorn Woodpecker Melanerpes formicivorus

Observer

c_michael_hogan

Date

April 19, 2014

Description

Seen perching in a Quercus kelloggii tree.

Photos / Sounds

Observer

c_michael_hogan

Date

April 19, 2014

Description

Seen in bloom in a ruderal area near the sidewalk. The height of this specimen is approximately 25 cm.

Photos / Sounds

Observer

c_michael_hogan

Date

April 19, 2014

Description

Seen growing in a ruderal area near the sidewalk. The height of this specimen was about 25 cm.

Tags

Photos / Sounds

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What

Teasels Genus Dipsacus

Observer

icosahedron

Date

April 19, 2014 10:52 AM PDT

Description

On the list of species to be discouraged on the Preserve; the main target of today's work crew.

Photos / Sounds

Observer

icosahedron

Date

April 19, 2014 10:37 AM PDT

Description

On teasel.

Photos / Sounds

What

Bird's foot cliffbrake Pellaea mucronata

Observer

icosahedron

Date

April 19, 2014 10:59 AM PDT

Photos / Sounds

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What

Fernald's iris Iris fernaldii

Observer

mmjensen

Date

April 18, 2014 01:41 PM PDT

Photos / Sounds

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What

woodland-star Lithophragma affine

Observer

mmjensen

Date

April 18, 2014 01:40 PM PDT

Photos / Sounds

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What

Diogenes' lantern Calochortus amabilis

Observer

mmjensen

Date

April 18, 2014 01:41 PM PDT

Photos / Sounds

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What

snakeroot Sanicula crassicaulis

Observer

mmjensen

Date

April 18, 2014 01:22 PM PDT

Photos / Sounds

Observer

mmjensen

Date

April 18, 2014 01:46 PM PDT

Photos / Sounds

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What

pennyroyal Mentha pulegium

Observer

mmjensen

Date

April 18, 2014 01:25 PM PDT

Photos / Sounds

No photos or sounds

What

Pileated Woodpecker Dryocopus pileatus

Observer

mmjensen

Date

April 18, 2014 01:21 PM PDT

Description

Heard call. No visual. Rogers creek stream gauge site.

Photos / Sounds

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What

California wild rose Rosa californica

Observer

mmjensen

Date

April 18, 2014 12:46 PM PDT

Photos / Sounds

What

Spiders Order Araneae

Observer

icosahedron

Date

April 18, 2014 10:40 AM PDT

Photos / Sounds

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What

Spiders Order Araneae

Observer

icosahedron

Date

April 18, 2014 12:14 AM PDT

Photos / Sounds

What

Western Tent Caterpillar Malacosoma californicum

Observer

icosahedron

Date

April 18, 2014 11:50 AM PDT

Description

On willow.

Photos / Sounds

Square

Observer

c_michael_hogan

Date

April 10, 2014

Description

This foliose lichen was seen growing in a chaparral area on native rock.

Photos / Sounds

Square

Observer

c_michael_hogan

Date

April 16, 2014

Description

Seen growing on native rock on a steep slope within an open canopy oak woodland.

Tags

Photos / Sounds

Square

Observer

c_michael_hogan

Date

April 16, 2014

Description

Seen growing on the trunk of an oak tree. The specimen had a very dry aspect and was in cascading or decumbent form. Individual fronds are about two cm long.

Tags

Photos / Sounds

What

hedge mustard Sisymbrium officinale

Observer

c_michael_hogan

Date

April 16, 2014

Description

This weedy plant was seen below the trail on a rather steep slope with a disturbed habitat beneath an open canopy oak woodland. This plant is surely non native. It is quite large, measuring almost 120 cm in height, but its heavy top has rendered it essentially prostrate.

Tags

Photos / Sounds

What

Milk thistle Silybum marianum

Observer

icosahedron

Date

April 16, 2014 11:35 AM PDT

Description

From our work crew, removing thistles as time runs out before they all bolt to flower.

This individual, by common consent, was the mother of all milk thistle.

Photos / Sounds

Observer

c_michael_hogan

Date

April 17, 2014

Description

Seen in bloom in a vacant lot, which can be considered a ruderal grassland, this semi-erect Trifolium stands at about 14 cm in height.