Photo: Bert Harris / CC BY-SA 3.0 (Wikimedia Commons)
Esmeraldas Woodstar
Chaetocercus berlepschi
Esmeraldas Woodstar (Chaetocercus berlepschi) — Hummingbirds of South America.
Found across 2 guides in our atlas — open any for the full checklist, photos and what's around right now.
The Esmeraldas Woodstar (Chaetocercus berlepschi) is a member of the Trochilidae family found in South America. Adults weigh 2 g. The IUCN Red List lists it as Vulnerable.
Conservation status
IUCN Red List (opens in a new tab)Facing a high risk of extinction in the wild.
Where it fits
- Class Aves
- Order Apodiformes
- Family Trochilidae Hummingbirds
- Genus Chaetocercus
- Species berlepschi
Quick facts
- Weight
- 2 g
- Diet
- Nectar-feeders
- Family
- Trochilidae
- Order
- Apodiformes
- Habitat
- Woodland
How to identify
Similar birds
Least Concern
Near Threatened
Least Concern
Biology & behaviour
Diet
The Esmeraldas Woodstar is a nectarivore — it feeds mainly on nectar.
Behaviour
A bird of dense forest, it is highly aerial, spending much of its time on the wing.
Migration
The Esmeraldas Woodstar is largely sedentary, staying within its range year-round rather than making regular long-distance migrations.
The Esmeraldas Woodstar (Chaetocercus berlepschi) is a species of bird in the Trochilidae family, part of the order Apodiformes. It occurs naturally across South America. Its distribution covers SA w Ecuador.
It is a very small bird. Adults weighs around 2 g, with a wing length of about 2.7 cm and a tail of around 1.4 cm.
It is classified as Vulnerable on the IUCN Red List and is a focus of conservation concern. Vulnerable species face a high risk of extinction in the wild if pressures continue.
The species has a mapped global range of roughly 4,383 km² — a relatively restricted global range.
Frequently asked questions
How big is the Esmeraldas Woodstar?
The Esmeraldas Woodstar is a very small bird that weighs around 2 g.
Where does the Esmeraldas Woodstar live?
The Esmeraldas Woodstar is found across South America with a range covering SA w Ecuador, where it is typically found in wooded and forested habitats.
What family does the Esmeraldas Woodstar belong to?
The Esmeraldas Woodstar (Chaetocercus berlepschi) belongs to the Trochilidae family, in the order Apodiformes.
What does the Esmeraldas Woodstar eat?
The Esmeraldas Woodstar is a nectarivore — it feeds mainly on nectar.
Does the Esmeraldas Woodstar migrate?
The Esmeraldas Woodstar is largely sedentary, staying within its range year-round rather than making regular long-distance migrations.
Is the Esmeraldas Woodstar endangered?
It is classified as Vulnerable on the IUCN Red List and is a focus of conservation concern Vulnerable species face a high risk of extinction in the wild if pressures continue.
How large is the Esmeraldas Woodstar's range?
The Esmeraldas Woodstar has a mapped global range of about 4,383 km².
Conservation
Every bird benefits from bird-safe windows, native plants, and keeping cats indoors. Small changes at home add up to real protection.
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Guides for this bird
Best Hummingbird Feeders
How to choose a hummingbird feeder — the two main styles compared, the right sugar-water mix, and how to keep it clean so the birds stay safe. A decision framework with the hummingbird species in the Birbs encyclopedia.
Meet the Trochilidae
A field guide to the Trochilidae family — 366 species in the Birbs encyclopedia, with the best-known members to start with.