However, pronghorns need open space, not only to display their spellbinding speed, but also to forage. The iconic grassland ...

A new stretch of border wall will soon be built through the San Rafael Valley, southeast Arizona's last major open space for ...

Grassland animals have vast, ... In the 18th and 19th centuries, when vast swaths of the North American prairies were turned into farmland, prairie dog populations plummeted.