This sunbird lives in the highlands of Kenya and Tanzania. The entry follows current Cinnyris mediocris after the related Forest Sunbird and Usambara Double-collared Sunbird were separated.
Adult males have a green head and back, a red breast band, and brown underparts and tail. This description is for adult males and does not describe female plumage.
It visits montane forest, bamboo, upland heath and open grassland, as well as gardens. It feeds on nectar and insects.
An extinction-risk assessment has not been added yet.