Black-bellied Thorntail

Discosura langsdorffi (Temminck, 1821)

Spanish: Rabudito Ventrinegro

The Black-bellied Thorntail (Discosura langsdorffi) is a hummingbird in the subfamily Lesbiinae (coquettes and brilliants), tribe Lesbiini (coquettes). It weighs about 2.8 g and its bill is 17.6 mm long. It lives in Brazil, Peru, Ecuador, Colombia, Bolivia and Venezuela. Its IUCN Red List status is Least concern, with a decreasing population.

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At a glance

Weight

2.8 g, about 3 paperclips

Bill

17.6 mm

Lives in

Forest

Moves

Stays put all year

Red List status

Least concern, decreasing

Its place in the family

1. Family Trochilidae hummingbirds
2. Subfamily Lesbiinae coquettes and brilliants
3. Tribe Lesbiini coquettes
4. Genus Discosura thorntails

What Discosura share: Males have thin, spiky tail feathers.

Where it lives · 6 countries

• Brazil
• Peru
• Ecuador
• Colombia
• Bolivia
• Venezuela

Others in the genus Discosura

• Wire-crested Thorntail Discosura popelairii
• Coppery Thorntail Discosura letitiae
• Green Thorntail Discosura conversii
• Racket-tipped Thorntail Discosura longicaudus

Sources

Names: eBird/Clements Checklist (Cornell Lab of Ornithology). Groups: Dickinson & Remsen (2013) and McGuire et al. (2014). Weight, bill, habitat and movement: AVONET (Tobias et al. 2022, CC BY 4.0). Countries: BirdLife International DataZone, checked against eBird records via GBIF. Red List status and trend: BirdLife International, the IUCN Red List authority for birds.

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