The state's most important rivers are the Missouri, rising in southwest Montana and flowing north and then east across the state, and the Yellowstone, which crosses southeastern Montana to join the Missouri in North Dakota near the Montana border.
Habitats. Hoverflies can be found in every biotope but not in deserts. Each species tends to prefer a certain type of habitat and is limited to a distinct range within the country. There are relatively few species with broad habitat tolerances that enable them to be distributed throughout southern Africa.
The lark bunting is the most prevalent of the passerine species found in the grasslands of North America. Their breeding habitat is prairie regions in central Canada and the mid-western United States.These birds migrate in flocks to winter southern Texas, Arizona and the high plateau of northern Mexico in the fall.he lark bunting is monotypic, the only member of the genus Calamospiza, and is not closely related to any other genera.