mountain goat male is called a billie standing on rocky ledge of cliff in colorado

mammal animal wildlife zoo deer goats grazing pet bovine sheep pasture dog horn cattle herd plant tree goat mountain male called billie standing rocky ledge cliff colorado usa white billy horns shaggy fur coat agile adult climbers footed hooves rocks wild large national park nature furry artiodactyla even-toed ungulate evans herbivore glacier horned alpine majestic outdoor rock landscape scenic steep rugged terrain mountains habitat bovidae mount blue sky vertical