A previously unknown muskrat-sized mammal species that once ... likely lived in the forests of the river delta that existed in northeast Utah and northwest Colorado between 75 million and 70 ...

The razorback sucker is a large, warm-water fish native to the Colorado River basin. Construction of more than a dozen ... that Nevada add contaminated areas around Lake Mead — where a small number of ...

There are so many amazing reasons to live in the San Juan Mountains of southwestern Colorado. Most notably, we have a diverse ...

Senate Bill 53 would classify bison as big-game wildlife, which would regulate the killing of the native species. Like it is ...

Wilson (1938-1946), and Harold Koerner (1946-1971), who helped expand the collection of Cenozoic mammals. Clark’s primary work focused on the Eocene Green River Formation in Utah and the ...