Empidonax flycatchers
Chapter 8: How Songs Change over Space and Time
Subchapter: Song changes over evolutionary time
From page 151 in the book.
Acadian flycatcher Photo by Brian E. Small
Pacific-slope flycatcher Photo by Brian E. Small
Yellow-bellied flycatcher Photo by Brian E. Small
♫630. Yellow-bellied flycatcher. June 17, 2013. Sydney Lake, Ear Falls, Ontario. (0:46)
♫631. Acadian flycatcher. Enjoy the early yellow-breasted chat in the background. May 31, 2008. Ellington, Missouri. (2:54)
♫632. Alder flycatcher. American bittern in background (e.g., 0:01). June 7, 2012. Berkshire Mountains, Heath, Massachusetts. (3:23)
♫633. Willow flycatcher. With great horned owl. June 11, 2009. Malheur National Wildlife Refuge, Burns, Oregon. (4:22)
♫634. Least flycatcher: May 20, 2012. Norwottuck Rail Trail, Amherst, Massachusetts. (3:25)
♫635. Hammond's flycatcher. May 25, 2009. McKenzie Pass, Cascade Mountains, Oregon. (3:17)
♫636. Gray flycatcher. June 8, 2008. Temple Canyon Park, Cañon City, Colorado. (3:17)
♫637. Dusky flycatcher. May 30, 2009. Lava Hot Springs, Idaho. (1:33)
♫638. Pacific-slope flycatcher. June 15, 2009. William L. Finley National Wildlife Refuge, Corvallis, Oregon. (1:18)
♫639. Cordilleran flycatcher. May 28, 2009. Xylem Acres, Ola, Idaho. (2:38)