Stretching from the Yellowstone River Valley to the Beartooth Mountains, South-Central Montana offers one of the state’s most striking contrasts between prairie and alpine habitats. The Yellowstone River winds through Billings and its cottonwood-lined floodplain, creating a migration corridor rich in raptors, songbirds, and waterfowl. North of the river, grasslands and reservoirs host nesting sparrows, longspurs, and shorebirds, while to the south, the Beartooths rise abruptly into alpine meadows alive with summer breeders. Winter concentrates Bald Eagles and ducks along open stretches of river, keeping birding productive year-round. What makes this region stand out is the pairing of Montana’s largest city with wild, easily reached landscapes where urban convenience meets the grandeur of the Northern Rockies.