Red-shouldered Hawk, Sunset Parkway I'd just been watching a flock of sparrows feeding along the Sunset Parkway, well-camouflaged litt...

  Panther Amanita, Mt. Tamalpais Taking a slow stroll down the Cataract Trail from Rock Spring yesterday, my wife and I remarked on all the ...

  Pokeberry Peek-a-Boo I thought the rain was done for the day, so I headed out for a walk down to Blue Heron Lake via the two tile stairway...

  Yellow-rumped Warbler in Buckeye, SF Botanical Garden I've been reading another book by the biochemist Nick Lane, called Power, Sex, S...

  Purple Finch Eating Berries, Golden Gate Park When the latest storm was being forecast, it was being called an "atmospheric river,...