Andrade et al., 2021

Available data support protection of the Southwestern Willow Flycatcher under the Endangered Species Act

Theimer et al., 2016

Endangered and Threatened Wildlife and Plants; Designation of Critical Habitat for the Southwestern Willow Flycatcher - Final 

US Department of the Interior -  Fish and Wildlife Service, 2013

The Ecology of the Southwestern Willow Flycatcher in Central Arizona—a 10-year Synthesis Report

Paxton et al., 2007

Endangered and Threatened Wildlife and Plants; Designation of Critical Habitat for the Southwestern Willow Flycatcher (Empidonax traillii extimus)

US Department of the Interior -  Fish and Wildlife Service, 2005

Genetic Variation in the Endangered Southwestern Willow Flycatcher

Busch et al., 2000

Recovering Southwestern Willow Flycatcher Populations Will Benefit Riparian Health

Deborah M. Finch, 1999

A Southwestern Willow Flycatcher Natural History Summary and Survey Protocol

Sferra et al., 1997

Petition to List the Southwest Willow Flycatcher (Empidonax traillii extimus) as a Federally Endangered Species

The Biodiversity Legal Foundation, Friends of the Owls, and Forest Guardians, 1992