Blue-Mantled Thornbill

SCIENTIFIC NAME: Chalcostigma stanleyi

Blue-Mantled Thornbill

The Blue-Mantled Thornbill is a bird which belongs to the family of Trochilidés and the order of Apodiformes.

Total size varies between 4.33 and 5.12 inches. Tail is about half as long as the body.

Males weigh about 6.2 grams and females about 4.5 grams.

Males of this species have blue backs and tails, which is relatively long forked. Their head is dusky-blue with a narrow green and purple gorget. Underparts are dusky-blue.

Females have greenish heads and bluish rest of the back and tail. Underparts are grayish with whitish specks.

Both sexes have a short, straight and black bill.

Diet consists of nectar from small flowers, particularly berberis and gauteria.

Subtropical or tropical moist montane forests and high altitude shrublands, and mainly in subtropical and tropical high-altitude grasslands.

Ecuador, Bolivia, and Peru.

Breeds during the rainy season, incubating 2 eggs.


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