The Ol Donyo Sabuk national park is located about 85km north-east of Nairobi in Machakos district of Eastern province. The ecosystem constitutes a mountain which is entirely covered with dense montane forest except for a small area at the top.
Buffalo are the dominant animals in the ecosystem. Other wildlife include bushbuck, leopard, olive baboon, colobus monkey, vervet monkey, Sykes’ monkey, Kirk’s dik-dik, bush pig, common duiker, reedbuck, rock hyrax, bush-baby, tree and ground squirrel, aardvark, porcupine, mongoose, python and monitor lizard.
The park is home to 45 species of birds and the easily spotted ones include; white-browed sparrow weaver, grey- headed sparrow weaver, African pied wagtail, mourning dove, augur buzzard, African hawk eagle, purple-breasted sunbird, yellow-vented bulbul, speckled mousebird, helmeted guinea fowl, black-headed oriole, grey tit, ring-necked dove, bateleur, great sparrow- hawk, bronze sunbird, superb starling and Mackinnon grey shrike.