Southwestern Willow Flycatcher (Empidonax traillii extimus)
- Description and conservation of this endangered migratory bird, which requires riparian, cottonwood-willow habitat (although has adapted to tamarisk) for breeding and raising young.
- http://www.azgfd.gov/w_c/nongame_southwestern_willow_flycatcher.shtml

Empidonax wrightii (Gray Flycatcher)
- Describes this bird's physical appearance, song, habitat, an ecology.
- http://imnh.isu.edu/digitalatlas/bio/birds/sngbrd/tyrant/gryf/gryf_inf.htm

Dusky Flycatcher (Empidonax oberholseri)
- Photo of the spring adult of this species.
- http://www.birdphotography.com/species/dufl.html

Least Flycatcher (Empidonax minimus)
- Photo, sound recording, breeding maps, and identification tips.
- http://www.mbr-pwrc.usgs.gov/id/framlst/i4670id.html

Yellow-bellied Flycatcher (Empidonax flaviventris)
- Provides a photo, range map, and links to species accounts.
- http://www.nenature.com/yellowbelliedflycatcher.htm

Black-capped Flycatcher (Empidonax atriceps)
- Images of this bird plus brief description of habitat and range.
- http://www.greglasley.net/bcfly.html

Empidonax hammondii (Hammond's Flycatcher)
- Physical description, habitat, reproduction, and distribution of this species.
- http://imnh.isu.edu/digitalatlas/bio/birds/sngbrd/tyrant/hafl/hafl_mai.htm

Acadian Flycatcher (Empidonax virescens)
- Photos, sound recordings, breeding map, taxonomy chart, and identification tips.
- http://www.mbr-pwrc.usgs.gov/id/framlst/i4650id.html