Ryan Callaghan heads to the Zumwalt Preserve.

Ryan sees how the addition of invasive Asian carp to the ecosystem affects fishing, recreation.

Ryan Callaghan and Eric Siegfried navigate around the crowds and into a hard-to-access piece of public land in Montana for a mule deer rifle hunt.

Ryan Callaghan joins Idaho Fish and Game in an exclusive behind-the-scenes look at the science of grizzly population dynamics.

Cal joins Idaho Fish and Game as they tag rainbow and cutthroat trout on the South Fork of the Snake River as part of an effort to help native Yellowstone cutthroat trout on the biomass ladder.

Cal joins Captain Gjuro Bruer to take part in citizen science by catching and tagging Atlantic tripletail; he then meets with Jared Serigne to hunt hogs and cajun pheasant while getting a look at the effects of land loss and saltwater intrusion.