Moose, Gallatin National Forest, MT

By this time of year, many of the moose in the Greater Yellowstone ecosystem have shed their antlers so there isn't a very good chance you'll get one of those dramatic photos. Since there is less daylight, testosterone levels are down in the bull moose and the point of attachment, pedicle, weakens. (The pedicle can no longer sustain the weight of the antlers.) Having no antlers also helps the moose be more mobile during the winter months and that helps in finding food.

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