Photo credit: Ernie Valdez
Photo credit: Audrey Holstead
Photo credit: Richard Hoyer
Photo credit: Ernest Valdez
Photo credit: Alan Harper
Photo credit: Dan Neubaum
Photo credit: J. Scott Altenbach
Photo credit: Bureau of Reclamation
Photo credit: Jordi Segers
Photo credit: Valerie Kearny, Arkansas State University
Photo Credit: K. Leeker
Photo credit: Florida Fish & Wildlife
Photo credit: Pipe Spring NPS
Photo credit: Dane Smith
Photo credit: BLM
Photo credit: Corinna Pinzari
Photo credit: Jose Martinez-Fonseca
Photo credit: Steven Brewer
Photo credit: Alan Schmierer
Photo credit: Paul Cryan
Photo credit: Winifred Frick, BCI
Photo credit: Patrick Randall
Photo credit: Andrea Schuhmann
Photo credit: Kpix Photo
Photo credit: Thomas Cuypers
Photo credit: BCI Menden Pictures
Photo credit: Jennifer Krauel
Photo credit: Saguaro NPS
Photo credit: Jason Slater, Florida Fish & Wildlife Conservation Commission
Photo credit: Kathleen Smith, Florida FWCC
Photo credit: Jose Martinez-Fonseca, NAU
Photo credit: Arturo Munoz
Photo credit: Bruce D. Taubert
Photo credit: Ann Froschauer, USFWS
Photo credit: Ian Maton
Photo credit: BLM California