The Natural History of Bodega Head

    White Gulch in Tomales Bay with Giant Kelp ( Macrocystis pyrifera ) reflection, 8 August 2025. 

    Nice patch of Sea Lavender (Limonium californicum) in bloom at Point Reyes today (8 August 2024).

    During a field trip to Tomales Bay on 17 August 2023, Melissa spotted this small yellowish-green sea hare crawling on some eelgrass ( Zo...

    We haven't been sailing since the pandemic started last year, so it felt really good to get out on Tomales Bay today (5 July 2021) —...

     Horned Grebe ( Podiceps auritus ) in Tomales Bay, 26 November 2020

  We were out sailing in Tomales Bay yesterday (15 September 2019).  Nice views of a few feeding frenzies — pelicans, gulls, cormorant...

  Thought it would be fun to share a few shots from a recent sail in Tomales Bay.  Above, approaching White Gulch on Tomales Point. ...

A few photos from a quick sail in Tomales Bay on 8 September 2018: Approaching Hog Island:   Enjoying White Gulch:   An...

Yesterday Jason mentioned he had found something exciting.  He gave me a chance to guess what it was, but I struck out.  He and Ted had been...

  Check it out!  A Brown Booby ( Sula leucogaster ) was spotted in Tomales Bay during an Audubon Canyon Ranch waterbird survey on 6 Fe...

Thanks to Audubon Canyon Ranch, I spent some time helping with a winter waterbird survey in Tomales Bay this morning.  Although we were very...

Two of the items on my birthday wish list included a visit to the Museum of Fine Arts in Boston to see the John Singer Sargent Watercolors e...

Eric just finished teaching his summer classes, so today we went out for a "shakedown cruise" on Tomales Bay — our first sail of ...