Wolf's Milk - A Bioblitz Preview

Wolf's milk - actually not a fungus or a Hostess pastry - a fact I learned while browsing iNaturalist   

The National Park Service is having a bioblitz at the Golden Gate National Recreation Area in the San Francisco Bay area on March 28 and 29, 2014. Sponsored by National Geographic, it's gonna be huge. They expect thousands of citizens to join over 300 scientists observing and documenting the plants and animals of Marin, San Francisco and San Mateo Counties at 12 locations of GOGA (the National Park Service's four-letter code for this park).

A bioblitz is an event where animal and plant species are identified in a specific location over a short period of time. The eyes and ears of students and citizens are led by scientists to cover as much area in the park as possible and to confirm identifications. The inventory is useful to understand the park's ecology but it is also a great way for everyone to experience the biological richness of our public lands and the techniques of scientific inventory.

Flying Foxes

With short legs, flexible forearms, and recurved claws, gray foxes readily climb trees.   

What is the "fantastic fossorial fellow according to Roald Dahl" and the final flying visitor to the Dipper Ranch persimmon tree in 2013? None but Fantastic Mr. Fox, or specifically at the Dipper Ranch, the spirited, leaping and tree climbing common gray fox.

Tracks at the End of the Road

To find a raccoon, be a raccoon 

"We could go to the end of the road," I prompted Naiad, trying to keep her moving and distracted. "This is an old stage coach road. It probably went back to lumber mills and then the Shriner's camp before it became a state park." Now, I explained, the old road ends at a remote location on the Dipper Ranch where a steep ravine has been washing out crossings and culverts for a long time. "Maybe a hundred years!" I claimed to make the dirt road sound exciting.

In the Provident Shadow of Omnivores

Nighttime silhouette in the wildlife camera at the cattle pen.

I felt restless in late November as I often do around the full moon, but I was also nervous about attending a four-wheel drive class. Meanwhile, the omnivores were leaving sign at new places on the Dipper Ranch, sometimes being rascals and sometimes making fortuitous appearances.

In the middle of the night before the 4WD class, I woke suddenly. Everything was silent. There were no kids or cats jumping on the bed, so I looked out the window to check on Orion's progress. Under the foggy full moon, the backyard was blurred by swaying tree shadows. Then I saw an especially dark shadow slink in a diagonal path. Was that an animal moving or was I just sleepy?

Fall at the Horse Meadow

When the days got short and the nights crisp, the animals came to the horse meadow. Mostly they came to eat the persimmons off the tree. Long retired to the meadow, the horse shared his only tree because he wanted to watch the visitors.

The raccoons came at night. Once when it was raining, they came during the day as if the raindrops hid their bandit ways. The mama raccoon led the parade with her back rolling up

Animals Anticipating Autumn

This time of year, there are small changes every few days.  Walking around the Dipper Ranch is like a wildland version of the I-Spy game.    Here are a few snapshots of the critters easing into the autumnal season.

Over a period of a few days, hundreds of swallows gather on the powerlines along Alpine Road.  Then that group sets off on its next stage of migration, and another group starts collecting.