Rufous-capped thornbill

The rufous-capped thornbill (Chalcostigma ruficeps) is a species of hummingbird in the "coquettes", tribe Lesbiini of subfamily Lesbiinae. It is found in Bolivia, Ecuador, and Peru.

The rufous-capped thornbill is about 10.5 cm (4.1 in) long and weighs 3.3 to 3.9 g (0.12 to 0.14 oz). Both sexes have a very short black bill. The male's crown is mahogany red and the rest of the upperparts bottle green. It has a narrow emerald green gorget with a border of various shades of yellow. Its underparts are rufous with green mottling that is strongest on the flanks. The tail is dull olive green. The female's upperparts including the crown are bottle green. Its throat and breast are ochre-orange with olive green dots. Its outer tail feathers have pale tips.