The interior volcanic highlands, therefore, might properly be considered the ecological fringe of species' ranges.

The interior highlands are the most prominent feature of Honduran topography.

Vegetation in the interior highlands is varied.

Numerous other rivers drain the interior highlands and empty north into the Caribbean.

The land comprises three main geographical zones: the coastal plain, the white sand belt, and the interior highlands.

The Pacaraima Mountains dominate the western part of the interior highlands.

The interior highlands disturb the winds, forcing them into a westerly/southwesterly direction.

The mountain ranges and central plateau, covering 85 percent of the land, comprise the interior highlands.

Ninety percent of Nicaraguans live in the Pacific lowlands and the adjacent interior highlands.

Gold and silver first attracted the Spanish to Honduras' interior highlands centuries ago.