Photo: Opisska / CC BY-SA 4.0 (Wikimedia Commons)
Green-headed Hillstar
Oreotrochilus stolzmanni
Green-headed Hillstar (Oreotrochilus stolzmanni) — Hummingbirds of South America.
Found across 4 guides in our atlas — open any for the full checklist, photos and what's around right now.
The Green-headed Hillstar (Oreotrochilus stolzmanni) is a member of the Trochilidae family found in South America. Adults weigh 8.7 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 Oreotrochilus
- Species stolzmanni
Quick facts
- Weight
- 8.7 g
- Diet
- Nectar-feeders
- Family
- Trochilidae
- Order
- Apodiformes
- Habitat
- Grassland & open country
How to identify
Similar birds
Critically Endangered
Least Concern
Least Concern
Least Concern
Biology & behaviour
Diet
The Green-headed Hillstar is a nectarivore — it feeds mainly on nectar.
Behaviour
A bird of open grassland, it spends much of its time perched in trees and shrubs.
Migration
The Green-headed Hillstar is largely sedentary, staying within its range year-round rather than making regular long-distance migrations.
The Green-headed Hillstar (Oreotrochilus stolzmanni) is a member of the Trochilidae family, within the order Apodiformes. Its range spans South America. Its distribution covers SA s Ecuador and n, c Peru.
It is a very small bird. Adults weighs around 8.7 g, with a wing length of about 7.3 cm and a tail of around 5.2 cm.
The IUCN Red List currently assesses it as Least Concern. That category covers species that remain widespread and reasonably abundant in the wild.
Its mapped global range covers an estimated 61,000 km².
Frequently asked questions
How big is the Green-headed Hillstar?
The Green-headed Hillstar is a very small bird that weighs around 8.7 g.
Where does the Green-headed Hillstar live?
The Green-headed Hillstar is found across South America with a range covering SA s Ecuador and n, c Peru, where it favours open grassland, scrub and lightly vegetated country.
What family does the Green-headed Hillstar belong to?
The Green-headed Hillstar (Oreotrochilus stolzmanni) belongs to the Trochilidae family, in the order Apodiformes.
What does the Green-headed Hillstar eat?
The Green-headed Hillstar is a nectarivore — it feeds mainly on nectar.
Does the Green-headed Hillstar migrate?
The Green-headed Hillstar is largely sedentary, staying within its range year-round rather than making regular long-distance migrations.
Is the Green-headed Hillstar 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 Green-headed Hillstar's range?
The Green-headed Hillstar has a mapped global range of about 61,000 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.