Empidonax difficilis, until recently, was known as the “Pacific-slope Flycatcher” but was lumped together with the Cordilleran Flycatcher into one species.
![](https://i0.wp.com/sonomamountainecologynotes.com/wp-content/uploads/2023/11/DSC_3141.jpeg?resize=600%2C517&ssl=1)
![](https://i0.wp.com/sonomamountainecologynotes.com/wp-content/uploads/2023/11/DSC_3143.jpeg?resize=600%2C476&ssl=1)
Celebrating and Caring for the Land
2023-11-22
Empidonax difficilis, until recently, was known as the “Pacific-slope Flycatcher” but was lumped together with the Cordilleran Flycatcher into one species.
© 2025 Sonoma Mountain Ecology Notes
Theme by Anders Norén