The Natural History of Bodega Head

    Nice set of River Otter ( Lontra canadensis ) tracks in soft sand at Point Reyes today (28 November 2025). 

    This is a scene we came across after finishing field work this morning (9 May 2024).  Some empty-looking whelks ( Nucella ostrina ) on t...

    I saw several of these tracks on the upper beach in Truro, MA, on 28 September 2022.   A wonderful snake track!   Although I looked, I d...

Last week Eric and I noticed this looping trail on the beach (below).  Immediately both of us thought of an illustration from a card we...

Do these tracks look familiar?  (The animal responsible is revealed below the photo.)   Northern Elephant Seal ( Mirounga angustiro...

Okay, remember the mystery tracks that I posted last night?  I'll reveal the animal that made them in the photo below this one:   ...

  River Otter tracks heading towards the ocean Photographed 10 December 2016

  A nice set of early morning tracks, loping along towards the water's edge. Do you have any guesses about what type of animal ...

  Another interesting track in the dunes.  Sadly, this one was harder to photograph, and I was working at the time, so I only took a fe...

  A nice set of tracks in the Bodega Dunes.  Each footprint was very small — I didn't measure at the time, but I'd estimate les...

This photo was taken in the dunes on 21 January 2012.  I'm still puzzling over these interesting tracks, so thought I would share the ph...

Open sand in the dunes is wonderful for revealing animal tracks. Here two animals crossed paths — a small mammal with sets of four small c...