During the year eastern winds prevail in the central and eastern parts of the foothills and the mountains.
Foothill traders frequently acted as middlemen, carrying out trade from their homes rather than in formal marketplaces.
It is widely distributed and found in hills, foothills and plains up to an altitude of 2500 m above mean sea level.
Of all the species discovered in the mountains and foothills, 63 (or 18%) inhabit only this area without spreading to the plain.
Boundary disputes between valley and foothill dwellers were frequent during the 1930s.
People living in the intermediate foothills and in the grassy alluvial areas could live hidden from the view of outsiders, thus evading external control.
Valley dwellers arranged for their cattle herds to be tended by relatives or blood brotherhood (lusale) partners in the foothills.
Commerce also flourished between the lowlands and the foothills.
