Category Archives: photography|wildlife

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September Snow Run

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San Joaquin Ridge, September 2014

With this year’s El Nino developing in fits and starts and drought-plagued California clinging to hopes of an above average snowpack, a little September snow is a big deal, even if it’s just a dusting.

The first low pressure system of Fall resulted in significant rain in many areas of Central and Northern California, with amounts falling off quickly to the south. According to the NWS, Redding recorded over 3 inches of rain; Red Bluff nearly 2.5 inches; South Lake Tahoe 1.8 inches; Downtown Sacramento and San Francisco both recorded about 0.5 inch.

For a rain-starved, heat-desiccated Southern Californian it was great to get out and play in the snow. I had a window of about three hours to do a run and the run/hike up San Joaquin Ridge from Minaret Summit was superb!

Here are a few photos from the run.

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Tamalpais Trail Run

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Running ahead of me at a brisk pace, Brett suddenly stopped and turned, gesturing for me to slow and be quiet. On the shaded trail ahead I could see something large and brown hunched over on the trail. It took a moment to realize that it was a big male turkey in full regalia.

We were on Mt. Tamalpais, and about a half-mile into an afternoon run from the Bootjack parking area in Mt. Tamalpais State Park. This scenic loop was the first of several runs over a too-short Bay area weekend visit. One of the innumerable loops and variations in and near the Park, our route included segments of the Old Mine, Rock Spring and Matt Davis Trails.

According to this November 2012 article in the Marin Independent Journal the turkeys were introduced into Marin County in 1988 by Fish & Game to provide hunting opportunities on private land. They have since become a nuisance and usurp resources from native species. During the birds’ mating season they have reportedly frightened hikers and bikers. (I might have scoffed at that statement before seeing the size of this tom.)

It was a warm in the sun, cool in the shade afternoon with the temperature in the mid-70s. Earlier in the week an offshore flow had pushed temperatures in the Bay area well into the 90s. The heatwave produced numerous record highs, with the temperature at San Francisco Airport reaching over 90 degrees on Tuesday and Wednesday. The remote automated weather station (RAWS) on Middle Peak can be used to get an idea of the weather on Mt. Tam.

Today the winds were onshore, but the visibility was still very good. The twin summits of Mt. Diablo could be clearly seen across the bay, about 40 miles away. Mt. Diablo would be the site of one of tomorrow’s runs. Rumor had it the rare Mt. Diablo fairy lantern was blooming, and Brett had planned a run on Diablo that included North Peak, Bald Ridge and Eagle Peak.

Here are a few photos from today’s run on Mt. Tam. More info can be found on the Mt. Tamalpais State Park and the Friends of Mt. Tam web sites. This State Park brochure includes a trail map.

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Celebrating the 10th Anniversary of the Acquisition of Ahmanson Ranch

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Valley oaks and cirrus clouds near sunset at Ahmanson Ranch

Today those instrumental in the acquisition of Ahmanson Ranch and supporters of the open space area gathered at the park — now Upper Las Virgenes Canyon Open Space Preserve — to celebrate its purchase. For more on the festivities see this article in the Simi Valley Acorn.

I’ve been running at Ahmanson Ranch for more than ten years and have spent hundreds of hours in the open space area. Following are a few photographs, stories and wildlife encounters from these runs.

 – Northern Harrier Turning to Strike

 – Moonrises and Sunsets

 – Sunset Shower

 – Ahmanson Ranch Moonrise

 – Red-winged Blackbird Song Spread

 – Racing the Sun, Catching the Moon

 – Coyote Tag and Coyote Tag II

 – Southern Pacific Rattlesnake and Big Southern Pacific Rattlesnake

 – Ahmanson Blue Oak

 – Astronomical Trail Running

 – Ahmanson Ranch Trail Runs

 – September & October are Tarantula Months!

 – Southern California Greenscape

 – A Sunset and Moonrise

 – Dealing With Drought

 – Lenticular Wave Clouds

– Signs of Winter

 – King of the Hill

– Comet PanSTARRS and the Crescent Moon

The title photograph is from a run at Ahmanson Ranch earlier this November.

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September & October are Tarantula Months!

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Tarantula at Ahmanson Ranch

Updated October 28, 2024.

Since 2005 these are the dates I’ve photographed a tarantula at Ahmanson Ranch (Upper Las Virgenes Canyon Open Space Preserve). The dates are sorted by month and day.

September 05 (2012)
September 08 (2006)
September 13 (2005)
September 19 (2007)
September 15 (2009)
October 3 (2012)
October 9 (2012)
October 11 (2006)
October 12 (2011)
October 12 (2023)
October 17 (2012) (2)
October 22 (2020)
October 23 (2013)
October 28 (2024)

If I see a tarantula, I always try to photograph it. Over the years there may be one or two that scurried into the grass and brush before I could snap a photo.

I did not see a tarantula at Ahmanson during the period 2014 – 2019. There was a five year drought in 2011 – 2015 and the Woolsey Fire was in November 2018. The routes and frequency I run at Ahmanson have not changed appreciably since 2005 .

Autumn is when maturing male tarantulas (Aphonopelma spp.) wander about in search of a mate.

Tarantula in East Las Virgenes Canyon
Tarantula in East Las Virgenes Canyon

The title photograph is from a run on September 5, 2012. The raised abdomen is a defensive posture. Tarantulas will scrape their abdomen with their bristly rear legs, launching irritating (urticating) barbed hairs into the air. Most tarantulas I’ve encountered this time of year do not react defensively — they’re just interested in finding a mate.

A search on iNaturalist shows a few observations ( 2 to 6) of tarantulas in the Ahmanson area each year since 2020.

Some related posts: Tarantula Time, Sting of the Tarantula Hawk, Tarantula Hawk

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Watch and Wonder

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Crown-sprouting laurel sumac in Pt. Mugu State Park following the Springs Fire.

Trying to understand the behavior of wildlife can be perplexing, particularly when it involves human interaction. Sometimes I just shake my head and wonder what an animal is thinking.

I was in the middle of a 13.5 mile loop in Pt. Mugu State Park, chugging up the Old Boney Trail in the Boney Mountain Wilderness, about 2.5 miles past its junction with the Blue Canyon Trail.



From time to time I’ve been checking the progress of recovery in Springs Fire burn area. Ecologically the area is very complex and as a result of the varied terrain, habitats, vegetation patterns, soil moisture and burn severity, the rate of recovery has also been varied.

The recovery has been further complicated by the season of the fire — just before Summer — and by below average rainfall. Taking into account the unusual circumstances, the sprouting of sycamore, oak, walnut, bay, red shanks, laurel sumac, toyon, mule fat and other plants has been surprisingly robust.

The stretch of the Old Boney Trail I was on now had been severely burned. It was along a steep, rocky canyon that still looked quite barren. Many chaparral plants sprout from surviving roots following a fire, but some plants such as the bigpod Ceanothus in this area must regrow from seeds which sprout following Winter rains.

With the lack of vegetation I was a little surprised to see a California Towhee land on the rocky trail a few feet ahead of me.

The California Towhee lives in the chaparral and I see them frequently on trail runs. It is about as nondescript as a bird can be — gray-brown and little smaller than a dove. They have a peculiar habit of emerging from the brush, scurrying a few feet along a trail just ahead of a hiker or runner, and then darting back into the brush.



Inexplicably this particular bird carried this behavior to the extreme, scampering along the trail just ahead of me for more than 2 minutes, eventually pausing on some rocks along the trail and watching me pass. The time from the first picture of the bird on the trail to the last was 2 minutes 14 seconds. That’s one-Mississippi, two-Mississippi, all the way up to one hundred thirty-four-Mississippi.

I often see towhees in pairs and sometimes with rabbits when both are foraging. The rabbit acts as an early warning device for the bird and vice versa. Did the towhee see me as a really big rabbit? All I could do is watch the bird and wonder.

Some related posts: Chasing Towhees and Other Rainy Day Activities, Coyote Tag, Coyote Tag II, Hawk, Bobcat and Rabbit

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Acorn Woodpeckers at Ahmanson Ranch

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Acorn Woodpeckers at Ahmanson Ranch

The health of an ecosystem can be measured by the sounds it produces. The more full the spectrum (and the more niches filled) the healthier the habitat.



One of the spectrum-filling sounds you’ll hear at Ahmanson Ranch (now Upper Las Virgenes Canyon Open Space Preserve) is the squawking and talking of acorn woodpeckers in the valley oaks and coast live oaks.

Acorn woodpeckers have a surprisingly complex social structure, a part of which is related to the maintenance and protection of acorn granaries within their territory.

Despite last rain season’s meager rainfall, the valley oaks at Ahmanson Ranch have managed to produce a decent crop of acorns this Fall, so much of the banter in the oaks overhead must be about that!

For more info about these birds see Cornell Lab’s All About Birds and the Forest Service’s Fire Effects Information System.