Three at this location.
Another rare bird in the Bay Area
Horned Larks were on the ground. Instructor, Chris Swarth, told me that they may be watching over nests. Our group witnessed a flight display by another Horned Lark.
The Horned Lark (Eremophila alpestris), called the Shore Lark in Europe, is a species of bird in the genus Eremophila.