Greenback Cutthroat Trout

Greenback Cutthroat

This post was last updated on October 9th, 2014 at 04:26 pm Scientists believe that the greenback cutthroat trout probably evolved in the Yellowstone and Green river basin over the course of 2 million years. Their natural ancestors, Oncorhynchus, would have migrated there from the Snake and Columbia River basins (the current home of the … Read more