Description
The adult male, (shown in the photo), has a white breast, rufous face, upperparts, flanks and tail and an iridescent orange-red throat patch (gorget). Some males have some green on back and/or crown. The female has green upperparts with some white, some iridescent orange feathers in the center of the throat, and a dark tail with white tips and rufous base. Females and the rare green-backed males are extremely difficult to differentiate from Allen's Hummingbird. This is a typical-sized hummingbird, being a very small bird. It weighs 2–5 g (0.071–0.18 oz), measures 7–9 cm (2.8–3.5 in) long and spans 11 cm (4.3 in) across the wings.
They feed on nectar from flowers using a long extendible tongue or catch insects on the wing. These birds require frequent feeding while active during the day and become torpid at night to conserve energy.
Because of their small size, they are vulnerable to insect-eating birds and animals.
Read more about this topic: Rufous Hummingbird
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