Photo By Colette Cannataro

“These two young bison bulls suddenly began sparring with each other, giving me sparse time to drop to the ground and capture the action at eye level,” Colette Cannataro recalls. “It was winter in Yellowstone, and they weren’t fighting over anything but merely testing each other’s strength with minimal risk of injury. In late spring, mature bulls compete for real for mating opportunities, with dust flying instead of snow. It was very exciting to witness this ritual of nature and to capture it for others to see as well.”

See more of Colette Cannataro’s work at colettecannataro.com.

Nikon D850, Sigma 150-600mm F5-6.3 DG OS HSM | S at 360mm. Exposure: 1/800 sec., ƒ/6.3, ISO 320.

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Photo By Marti Phillips

Today’s Photo Of The Day is “Sunset at White Sands” by Marti Phillips. Location: White Sands National Park, New Mexico.

Want to get your images in the running for a Photo of the Day feature? Photo of the Day is chosen from various galleries, including Assignments, Galleries and Contests. Assignments have weekly winners that are featured on the website homepage, Facebook, Twitter and Instagram. To get your photos in the running, all you have to do is submit them.

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