Photo: John Gould / William Matthew Hart / Public domain (Wikimedia Commons)
Narrow-tailed Emerald
Chlorostilbon stenurus
Narrow-tailed Emerald (Chlorostilbon stenurus) — 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 Narrow-tailed Emerald (Chlorostilbon stenurus) is a member of the Trochilidae family found in South America. Adults weigh 3.4 g. The IUCN Red List lists it as Least Concern.
Conservation status
IUCN Red List (opens in a new tab)Widespread and abundant — not currently at risk.
Where it fits
- Class Aves
- Order Apodiformes
- Family Trochilidae Hummingbirds
- Genus Chlorostilbon
- Species stenurus
Quick facts
- Weight
- 3.4 g
- Diet
- Nectar-feeders
- Family
- Trochilidae
- Order
- Apodiformes
- Habitat
- Woodland
How to identify
Similar birds
Least Concern
Least Concern
Least Concern
Least Concern
Biology & behaviour
Diet
The Narrow-tailed Emerald 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 Narrow-tailed Emerald is largely sedentary, staying within its range year-round rather than making regular long-distance migrations.
The Narrow-tailed Emerald (Chlorostilbon stenurus) is a member of the Trochilidae family, within the order Apodiformes. It occurs naturally across South America. Its distribution covers SA Venezuela, Colombia and ne Ecuador.
It is a very small bird. Adults weighs around 3.4 g, with a wing length of about 4.2 cm and a tail of around 2.4 cm.
The IUCN Red List currently assesses it as Least Concern. That category covers species that remain widespread and reasonably abundant in the wild.
The species has a mapped global range of roughly 82,000 km².
Frequently asked questions
How big is the Narrow-tailed Emerald?
The Narrow-tailed Emerald is a very small bird that weighs around 3.4 g.
Where does the Narrow-tailed Emerald live?
The Narrow-tailed Emerald is found across South America with a range covering SA Venezuela, Colombia and ne Ecuador, where it is typically found in wooded and forested habitats.
What family does the Narrow-tailed Emerald belong to?
The Narrow-tailed Emerald (Chlorostilbon stenurus) belongs to the Trochilidae family, in the order Apodiformes.
What does the Narrow-tailed Emerald eat?
The Narrow-tailed Emerald is a nectarivore — it feeds mainly on nectar.
Does the Narrow-tailed Emerald migrate?
The Narrow-tailed Emerald is largely sedentary, staying within its range year-round rather than making regular long-distance migrations.
Is the Narrow-tailed Emerald endangered?
The IUCN Red List currently assesses it as Least Concern That category covers species that remain widespread and reasonably abundant in the wild.
How large is the Narrow-tailed Emerald's range?
The Narrow-tailed Emerald has a mapped global range of about 82,000 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.