Appearance
This medium-sized hummingbird can measure up to 10 cm long, and weigh up to 4.3 g . The male has metallic green upperparts that grade to bronze at the rump and tail. It sports a conspicuous rufous wing patch when the wings are folded. The underwing is mostly rufous-cinnamon. The namesake striped tail is formed by dark bronze green central rectrices and outer rectrices which have black outer webs, white inner webs and broad black tips. The female has a metallic green back but her underparts and the sides of her face are light brownish grey. On both sexes, the bill is straight and black.The female lays two white eggs in a small cup nest lined with plant fibres.
The white-tailed hummingbird and the blue-capped hummingbird are sometimes considered subspecies of this species.
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