Fairfield Osborn Preserve

February 20, 2015
0800 – 1300, sunny

Field trip to the Fairfield Osborn Preserve, with A Watershed Year freshman experience class. I hiked up to Kelly Pond with a group of students so they could collect field data for a research project. It’s quite a hike up to the pond, which is near the northern end of the preserve. Covered with Azolla Water Fern, the pond is a peaceful and lovely place to visit. The pond is also surrounded by Bulrush (maybe California), Coast Live Oak and California Bay. I also saw Spreading Rush and Dendroalsia Moss at this location.

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Muir Woods

October 28, 2012

Visited Muir Woods yesterday, and took some photos with my iPhone; I was too lazy to bring my SLR, a decision I sort of regret. Although carrying the huge camera with me on the hike we ended up doing wouldn’t have made me happy, so it was probably for the best, and the photos I did take are all right, after a bit of editing.

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Boggs Lake Ecological Reserve

May 6, 2012

Nicole and I went on a field trip today with the local California Native Plant Society chapter, although the site we visited was already very familiar to me – it’s our Western Pond Turtle field site in Lake County, California! It was different being up there and not looking for turtles. I learned some things about plants (which is good; I’m ridiculously ignorant about plants), saw and heard a bunch of great birds (including Pileated Woodpecker and MOUNTAIN QUAIL! Only the second time in my whole life I’ve ever seen Mountain Quail).

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Fairfield Osborn Preserve with Biology 122

April 3 and 4, 2012
Overcast and drizzly

This week, I took two sections of introductory biology majors up to the Preserve to make some wildlife observations. Our primary goal was to survey some trees for Sudden Oak Death, but I never go to the Preserve without the supplemental goal of making wildlife observations, especially since there are always at least a few students who tell me that this trip is the first time they’ve ever gone hiking in some sort of “natural” or wilderness area.

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Stony Point Road, Petaluma, CA

January 20, 2012
Rainy, after dark

I spent the evening helping graduate student Tracy Bain with her California Tiger Salamander field study. We were recording data on salamanders as they approached Stony Point, preparing to cross the road to access the vernal pool where they breed. Stony Point Road (near Meecham) is terrifying, especially in the rain, because the cars so by so fast! As you might imagine, this is often disastrous for the little tiger salamanders trying to cross the road in the dark, in the rain. In order to reduce road mortality in this critically endangered species, a series of three tunnels were installed under the road, along with driftnet fencing, in the hope that the salamanders would use them to cross safely under the road. On this night, I was assisting with data collection to see if the salamanders were, in fact, using the tunnels.

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2011 Species Accounts: Non-Avian

Amphibians and Reptiles

Western Pond Turtle
Actinemys marmorata

  • 4/15: Safari West, Sonoma, CA. Spotted at least one of these native turtles on the big lake at Safari West.
  • 6/8: Boggs Lake Ecological Reserve, Lake County, CA. 
  • 6/15: Jellystone Camp, Lake County, CA. Pond turtles were often seen in the little pond on site, near the Recreation Center. 
  • 6/19: Boggs Lake Ecological Reserve, Lake County, CA. 
  • 6/21: Boggs Lake Ecological Reserve, Lake County, CA. 
  • 6/28: Boggs Lake Ecological Reserve, Lake County, CA. We found more than 35 gravid females this season, and located 36 nests or nest attempts. (The number of nests is larger than the number of females because some females made more than one attempt before successfully laying their eggs).
  • 8/20: Boggs Lake Ecological Reserve, Lake County, CA. Visited the field site today to excavate a few nests, and bring the eggs back to finish incubating in our lab. 
  • 8/28: Boggs Lake Ecological Reserve, Lake County, CA. Visited the field site today to excavate a few nests, and bring the eggs back to finish incubating in our lab. 
  • 9/24: Boggs Lake Ecological Reserve, Lake County, CA. Field Herpetology field trip to our turtle research site. We excavated a few nests that had been located back in June, to take the eggs back and let them finish incubating in our lab, so we could determine the sex of the offspring (part of a study on temperature-dependent sex determination).
  • 10/22: Boggs Lake Ecological Reserve, Lake County, CA. We excavated a known nest site, located during our June field season, and captured the hatchlings to be brought back to our lab and raised in our head-start program. 
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2011 Species Accounts: Birds (WIP)

Spotted Sandpiper
Actitis macularius 

5/14: Desert Studies Center. Saw this lone sandpiper on the fountain in the middle of the Zzyzx lake; doing the customary tail-bobbing activity.


White-throated Swift
Aeronautes saxatalis

  • 5/13: Desert Studies Center. I spotted this small, black, cigar-shaped bird with white throat and belly, and white patches at the sides of the rump, as it flew over Lake Tuendae.
  • 5/20: Hawk Hill, Marin, CA. Saw just one of these birds at the top of Hawk Hill.
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Jellystone Campground

June, 2011

This campground, just a few miles away from our Boggs Lake field site, is where we camped throughout the field season. The facilities were nice – bathrooms with showers, a recreation room with wifi – and we had a permanent campground where we all set up our tents together. I usually spent about a week at a time up there, trading off as the field lead with my lab partner, Nicole. Since the turtles we were studying really only became active mid-afternoon, we spent quite a lot of time at the campground.

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Hawk Hill (GGRO)

May 20, 2011
14:05, 70° F, sunny and clear, but windy

As part of our field trip to the Golden Gate Raptor Observatory at the Marin Headlands, we went to the top of Hawk Hill. It is not a migration time, so we didn’t see a large number of birds, but there were still a few feathery friends in the area, including California Brown Pelican diving in San Francisco Bay, Brewer’s Blackbird near Fort Cronkhite, and White-throated Swift near the top of Hawk Hill.

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Mojave Desert: Bajada and Microtower Road

May 14, 2011

With another full day ahead, I started out with a short solo walk on the property before the rest of the day’s activities. I saw a good number of birds, plus a Desert Cottontail. New birds included a Green Heron flying along the salt flat, a Spotted Sandpiper tail bobbing on the fountain in Lake Tuendae, a Belted Kingfisher flying and calling at the lake, and a pair of Red-tailed Hawks on the rocks near the road between Zzyzx and Baker – the first hawks I saw on this trip.

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