angers at Wind Cave National Park will be leading programs throughout September and early October to listen for the bugle of the Rocky Mountain elk. The elk’s high-pitched whistle heralds the arrival of fall and the elk’s mating season.

angers at Wind Cave National Park will be leading programs throughout September and early October to listen for the bugle of the Rocky Mountain elk. The elk’s high-pitched whistle heralds the arrival of fall and the elk’s mating season.

angers at Wind Cave National Park will be leading programs throughout September and early October to listen for the bugle of the Rocky Mountain elk. The elk’s high-pitched whistle heralds the arrival of fall and the elk’s mating season.

angers at Wind Cave National Park will be leading programs throughout September and early October to listen for the bugle of the Rocky Mountain elk. The elk’s high-pitched whistle heralds the arrival of fall and the elk’s mating season.

angers at Wind Cave National Park will be leading programs throughout September and early October to listen for the bugle of the Rocky Mountain elk. The elk’s high-pitched whistle heralds the arrival of fall and the elk’s mating season.

angers at Wind Cave National Park will be leading programs throughout September and early October to listen for the bugle of the Rocky Mountain elk. The elk’s high-pitched whistle heralds the arrival of fall and the elk’s mating season.

angers at Wind Cave National Park will be leading programs throughout September and early October to listen for the bugle of the Rocky Mountain elk. The elk’s high-pitched whistle heralds the arrival of fall and the elk’s mating season.

angers at Wind Cave National Park will be leading programs throughout September and early October to listen for the bugle of the Rocky Mountain elk. The elk’s high-pitched whistle heralds the arrival of fall and the elk’s mating season.

angers at Wind Cave National Park will be leading programs throughout September and early October to listen for the bugle of the Rocky Mountain elk. The elk’s high-pitched whistle heralds the arrival of fall and the elk’s mating season.

angers at Wind Cave National Park will be leading programs throughout September and early October to listen for the bugle of the Rocky Mountain elk. The elk’s high-pitched whistle heralds the arrival of fall and the elk’s mating season.