Kajiado County, Kenya Mon–Fri: 8:00 AM – 5:00 PM

Species Library

The acacia trees and endangered wildlife that depend on Kenya's acacia habitats — with the Masai ostrich as our flagship species.

Umbrella Thorn Acacia Least Concern Tree
Umbrella Thorn Acacia
Vachellia tortilis
Oltepesi (Maa)

The iconic flat-topped acacia of the East African savanna, resilient to drought and heat.

Role: Fixes nitrogen, shades soil, feeds browsers and provides flowers for honey bees.

Yellow Fever Tree Least Concern Tree
Yellow Fever Tree
Vachellia xanthophloea
Olerai (Maa)

A tall acacia with striking yellow-green bark, found along seasonal rivers and wetlands.

Role: Stabilises riverbanks and shelters birds and primates.

Whistling Thorn Least Concern Tree
Whistling Thorn
Vachellia drepanolobium
Eluai (Maa)

A small acacia with hollow swollen thorns that whistle in the wind and house protective ants.

Role: Key browse for giraffes and a classic example of plant–ant partnership.

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