Our Upper Río Grande watershed – which stretches from southern Colorado down through Northern New Mexico – is considered one of the best-connected wildlife migration landscapes in the country. In this region, elk, pronghorn, mule deer, bighorn sheep, migratory birds and even fish move across federal, state, tribal and private lands and waters. Such movement is necessary for the survival of many species so they can mate, find food, adapt to changing climates and maintain genetic diversity.