Images

- Bison at the National Bison Range
- Mammals; Wildlife refuges; Scenics
- Five bison part of a larger herd lying down on a grassy slope at the National Bison Range in Moiese, Montana.
- Images
- Wood Bison
- Mammals; Endangered species;
- Wood bison are the largest native land mammals in the Western Hemisphere, 10 to 15% heavier than plains bison. Bulls are slightly larger than cows and average around 1,800 pounds, but can get up to 2,000 pounds. Both males and females have short...
- Images
- An adult bison walking in field
- Mammals; Wildlife;
- Buffalo walking at the National Bison Range.
- Images
- Wood Bison Calf
- Mammals; Endangered species;
- During the early 1800s, wood bison numbers were estimated at 168,000, but by the late 1800s, the subspecies was nearly eliminated. Excessive hunting was the primary factor leading to population decline. Another factor that is thought to have played...
- Images
- Bison near a river.
- Mammals; Wildlife;
- A group of buffalo near a river at Fort Niobrara National Wildlife Refuge. Resource links:http://www.fws.gov/fortniobrara/
- Images
- Female bison with a calf
- Mammals; Wildlife;
- Female buffalo with her calf.
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- American bison
- Mammals; Wildlife;
- Close view of buffalo, bull and cow standing side-by-side in tall grass and wildflowers. Resource links:http://www.fws.gov/bisonrange/nbr/
- Images
- Bison out on the range
- Mammals;Scenics;
- Buffalo out on the range grazing. Resource links:http://www.fws.gov/bisonrange/nbr/
- Images
- Bison in holding pen
- Mammals; Wildlife; Wildlife management;
- Bison in solid walled pen with water tank turned up-side-down.
- Images
- Bison sleeping on snowy hillside
- Mammals; Wildlife;
- Several bison lying down on snowy hillside.
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- Bison herd grazing
- Mammals; Wildlife;
- Bison herd grazing in open prairie beneath cloudy sky.
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- Bison bone compared to domestic cattle bone
- Mammals; Wildlife;
- Close view with measurement of brown Bison bone compared in size to corresonding white domestic cattle bone.
- Images
- Bison bone size comparison to domestic cattle bone
- Mammals; Wildlife;
- Close-up of the ends of a Bison bone and a corresponding domestic cattle bone, comparing the difference in size.
- Images
- Bison eating grass in a field
- Mammals;
- Close-up profile of front half of buffalo bull. Vertical. Resource links:http://www.fws.gov/bisonrange/nbr/
- Images
- Bison eating grass in a field.
- Mammals; Wildlife;
- A buffalo eating grass at Fort Niobrara National Wildlife Refuge. Resource links:http://www.fws.gov/fortniobrara/
- Images
- Bison on the National Bison Range
- Mammals; Wildlife refuges; Mountains; Grasses;
- Expansive view of bison grazing on a mountainside in the National Bison Range
- Images
- Bison herd grazing at the National Bison Range
- Mammals; Wildlife refuges;
- Bison herd grazing on the range at the National Bison Range in Montana.
- Images
- Bison
- Mammals; Wildlife refuges;
- The National Bison Range is administered by the U.S. Fish and Wildlife Service as part of the National Wildlife Refuge System. It was established in 1908 and is one of the oldest Wildlife Refuges in the nation. A large portion of the 18, 500 acre...
- Images
- Bison
- Mammals; Wildlife refuges;
- The National Bison Range is administered by the U.S. Fish and Wildlife Service as part of the National Wildlife Refuge System. It was established in 1908 and is one of the oldest Wildlife Refuges in the nation. A large portion of the 18, 500 acre...
- Images
- Bison calf
- Mammals; Wildlife refuges;
- The National Bison Range is administered by the U.S. Fish and Wildlife Service as part of the National Wildlife Refuge System. It was established in 1908 and is one of the oldest Wildlife Refuges in the nation. A large portion of the 18, 500 acre...
- Images