Dr. Ole Alcumbrac and his team need to capture, study and collar 30 adult female elk, before dangerous weather shuts down the operation
Two helicopter teams work together; the capture and relocation of 30 desert bighorn sheep in the mountains of Arizona.
Sonoran pronghorn need to be captured, processed and released into the wild, to help grow the population of this critically endangered sub-species.
Mexican gray wolves get darted and collared as researchers work to manage this controversial and endangered animal.
Wildlife biologists work with aerial capture teams, to learn more about the annual migration of the mule deer.