Tukangbesi Sunbird

The Tukangbesi sunbird is 10–11.4 cm (3.9–4.5 in) in length. The male weighs 6.7–11.9 g (0.24–0.42 oz), the female 6–10 g (0.21–0.35 oz). The species is sexual dimorphic. The male is dark brownish-olive above, the remiges are black with light edging and the outer feathers of the black tail have a white tip. The throat is blue-black iridescent, the iris is dark brown and the legs are black. The underparts are yellow. This species lacks the yellow supercilium and yellow moustachial stripe of the Sahul sunbird. The female lacks the iridescent throat patch.