P.O. Box 98199 Washington, DC 20090-8199 800-647-5463
Lat/Lon: 38.90531943278526, -77.0376992225647
Inspiring people to care about the planet since 1888
Learn More »
Subscriptions
← Back to Mating Season on Todagin Mountain
Two young male Stone’s sheep, Ovis dalli stonei, practice head butting contests that play an important role in establishing the hierarchy among males. Photo by Paul Colangelo.