Cyril Ruoso / Oregon Spotted Frog (Rana pretiosa) biologists and inmates photographing frogs to be released as part of sustainability in prison program, Cedar Creek Corrections Center, Washington

Cyril Ruoso / Oregon Spotted Frog (Rana pretiosa) biologist Mark Hayes checking on released frogs that were raised by inmates as part of sustainability in prison program, Washington

Christian Ziegler / White-crowned Sparrow (Zonotrichia leucophrys) with telemetry transmitter, this bird has been relocated from Washington to New Jersey to learn about bird migration, New Jersey

Christian Ziegler / White-crowned Sparrow (Zonotrichia leucophrys) being fitted with telemetry transmitter, this bird has been relocated from Washington to New Jersey to learn about bird migration, New Jersey

Sebastian Kennerknecht / Western Yellow-bellied Racer (Coluber constrictor mormon) snake held by biologist, Pescadero, California

Michael Durham / Oregon Division of Fish and Wildlife biologist Pat Matthews collects data on a newborn Elk (Cervus elaphus) calf in the Sled Springs Elk Study Area, the calf will be radio collared so that its movemen...

Flip Nicklin / Humpback Whale (Megaptera novaeangliae) calf called Gigi was stranded and is being cared for at Sea World, San Diego, California

Benjamin Olson / Biologist, Morgan Swingen, setting up mist net to capture bats during white-nose syndrome research, Sherburne National Wildlife Refuge, Minnesota

Benjamin Olson / Biologist, Morgan Swingen, setting up mist net to capture bats during white nose syndrome research, Sherburne National Wildlife Refuge, Minnesota

Benjamin Olson / Biologist setting up mist net to capture bats during white nose syndrome research, Sherburne National Wildlife Refuge, Minnesota

Jaymi Heimbuch / Coyote (Canis latrans) biologist, Steven Plesh, notes down frequencies and location data of nearby radio-collared coyotes on college campus, University of Wisconsin-Madison, Madison, Wisconsin

Jaymi Heimbuch / Coyote (Canis latrans) biologist, David Drake, placing cable restraint for collaring along game trail in nature preserve near University of Wisconsin-Madison, Madison, Wisconsin