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.”

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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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