Bronzy Sunbird

Overview

The Bronzy Sunbird is a large sunbird species found in highland forest edges, moorland, and gardens across East Africa, particularly in the highlands of Kenya, Uganda, and Tanzania. Its size and elongated male tail streamers make it a distinctive presence in mountainous habitats.

Breeding males show iridescent bronzy-green plumage with purplish highlights across the body, along with elongated central tail feathers, while females are considerably plainer, showing brownish, streaked plumage.

Feather Identification

• Body feathers: Breeding males iridescent bronzy-green with purple sheen, especially on the throat and upper breast
• Tail feathers: Central pair elongated in breeding males, adding substantial length
• Female feathers: Brownish-olive above, dusky-streaked pale underparts, lacking iridescence
• Shaft color: Dark in male iridescent plumage, pale in female streaked underparts
• Size: Large for a sunbird, with breeding males appearing notably elongated due to tail streamers
• Similar species: Similar to Malachite Sunbird but with bronzier, more purplish tones rather than pure green; females are best told by range and association with males

Plumage Details

Breeding males display iridescent bronzy-green plumage with purple highlights, especially on the throat, and elongated central tail feathers. After breeding, males may molt into a duller eclipse plumage resembling females, losing much of the iridescence and long tail. Females are brownish-olive above with dusky-streaked underparts year-round. Juveniles resemble females. This species shows a notable seasonal plumage change in males.

Habitat & Range

Bronzy Sunbirds inhabit highland forest edges, moorland, and gardens across East Africa, particularly in mountainous regions of Kenya, Uganda, Tanzania, and neighboring areas. The species is largely resident, with some local altitudinal movement tied to flowering seasons.

Behavior & Field Notes

This sunbird feeds on nectar from a variety of highland flowering plants, including flowering shrubs and trees, and also takes small insects. Males defend flowering territories actively during the breeding season, using their elongated tail in display flights. Nests are domed structures with a side entrance, built in shrubs. Calls include sharp chips and a varied, warbling song delivered from prominent perches.