It is native to forests, woodlands, well-wooded gardens and plantations in the highlands of southern Kenya and northern Tanzania.

[5] In 2002, the subpopulation from Taita Hills in Kenya was described as a new subspecies, K. tavetana boehmei,[6] but in 2008 it was recommended that it instead should be recognized as a separate species, K.

[4] The species' reached up to c. 24 cm (9 in) in total length, with males growing larger than females.

It varies in colour and pattern, partially depending on location and sex, but is generally various shades of brown, grey, green, yellow, red or blue.

The adult male has a pair of diverging, blade-like "horns" on the nose, which are lacking in females.