YELLOWSTONE NATIONAL PARK, Wy. – As summer begins to wind down, elk at Yellowstone National Park are starting to look for love, posing a potential danger for park visitors.

So begins rut season, or mating season, for the thousands of elk that roam the nation’s oldest national park.

Male elk sound off their intentions to females by producing a loud sound known as a bugle, and it can be heard for miles, according to the National Park Service .

Every bull has a different bugle – as fingerprints are unique to each human – making the sound like a calling card for the ladies.

As a bugle lets female elk know that a bull is looking for love, it also helps the bull signal his presence to other bulls during a time when they are feeling particularly aggressive and territorial.

Their territorial

See Full Page