Yes, they are mammals.
The Little Bighorn is a 138-mile-long river that begins in northern Wyoming and flows northward into Montana.
Mt. Kitanlad is located in Bukidnon,Mindanao
The Bighorn Observatory is located within the Willamette Naitonal Forest in Oregon. One of the highlights of this observatory is the Lava River Interpretive Trail.
Mt. Matterhorn is located in Zermatt,Switzerland.
Mt Trikora is located in Papua New Guinea.
The address of the National Bighorn Sheep Center is: 907 W Ramshorn, Dubois, WY 82513
The address of the Bighorn Basin Geoscience Center is: 537 Greybull Ave, Greybull, WY 82426
Mt. Rainer is located in Washington
The monument Little Bighorn National was originally preserved On June 26, 1876. It is located in Crow Agency, Montana in the United States.
Mt Everest is located in China :)
Mt Kilimanjaro is located in Tanzania, Africa.