Southwestern Willow Flycatcher (Empidonax traillii extimus) surveys and nest monitoring in San Diego County, California, 2015-2016
Data presented are results of surveys (2015 and 2016) and monitoring (2016) for Southwestern Willow Flycatcher (Empidonax traillii extimus) in San Diego County, California. In 2015, surveys were conducted at select locations along the San Luis Rey River between College Boulevard and Lake Henshaw. In 2016, surveys were …