Photo attributed to Riley Pope. This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication. No endorsement implied.
Photo attributed to Meservy. This photo has been released into the public domain.
Photo attributed to Michael Brown, USDA, ARS. [Screenshot from report]
Photo attributed to Angela Burgess, USFWS. This file is licensed under the Creative Commons Attribution 2.0 Generic license. No endorsement by licensor implied.