Facts and Audio by Cornell University Ornithology Lab

 

Least Bell's Vireo. Lake Skinner, Temecula, CA. 28 April 2018.

 

Lake Skinner, TEmecula, CA. 9 April 2016.

Lake Skinner, TEmecula, CA. 28 August 2016.

Hidden Valley Wildlife Area, Norco, CA. 3 April 2005.