Stories from the Field

Image 24 of 150

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© Keith R. Crowley

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Grizzly bear bears mating snow snow-covered landscape winter spring early mate sex coitus copulate copulation boar sow male female intercourse on top interaction behavior horizontal trees open west endangered species threatened GYE greater yellowstone ecosystem ursa arctos horribilus two crowley lodge trail apex predator Rocky Mountains mountain west western issues Keith Crowley Lodge Trail

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Grizzly Bears