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Photo: Nick Athanas / CC BY-SA 2.0 (Wikimedia Commons)

Critically Endangered

Blue-throated Hillstar

Oreotrochilus cyanolaemus

Blue-throated Hillstar (Oreotrochilus cyanolaemus) — Hummingbirds of South America.

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The Blue-throated Hillstar (Oreotrochilus cyanolaemus) is a member of the Trochilidae family found in South America. Adults weigh 8.1 g. The IUCN Red List lists it as Critically Endangered.

CR Critically Endangered

Facing an extremely high risk of extinction in the wild.

Where it fits

  1. Class Aves
  2. Order Apodiformes
  3. Family Trochilidae Hummingbirds
  4. Genus Oreotrochilus
  5. Species cyanolaemus

Where it lives

Southwestern Ecuador

Quick facts

Weight
8.1 g
Family
Trochilidae
Order
Apodiformes

How to identify

Similar birds

Biology & behaviour

Diet

The Blue-throated 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 Blue-throated Hillstar is largely sedentary, staying within its range year-round rather than making regular long-distance migrations.

The Blue-throated Hillstar (Oreotrochilus cyanolaemus) is a species of bird in the Trochilidae family, part of the order Apodiformes. Its range spans South America. Its distribution covers SA sw Ecuador.

It is a very small bird. Adults weighs around 8.1 g, with a wing length of about 7.3 cm and a tail of around 5.2 cm.

It is classified as Critically Endangered on the IUCN Red List and is a focus of conservation concern. Critically Endangered is the highest risk category before extinction in the wild.

Songs & calls

Blue-throated Hillstar — Territorial or warning call

Recorded by Manuel Sánchez-Nivicela Licence: CC BY-NC-ND 4.0

Frequently asked questions

How big is the Blue-throated Hillstar?

The Blue-throated Hillstar is a very small bird that weighs around 8.1 g.

Where does the Blue-throated Hillstar live?

The Blue-throated Hillstar is found across South America with a range covering SA sw Ecuador, where it favours open grassland, scrub and lightly vegetated country.

What family does the Blue-throated Hillstar belong to?

The Blue-throated Hillstar (Oreotrochilus cyanolaemus) belongs to the Trochilidae family, in the order Apodiformes.

What does the Blue-throated Hillstar eat?

The Blue-throated Hillstar is a nectarivore — it feeds mainly on nectar.

Does the Blue-throated Hillstar migrate?

The Blue-throated Hillstar is largely sedentary, staying within its range year-round rather than making regular long-distance migrations.

Is the Blue-throated Hillstar endangered?

It is classified as Critically Endangered on the IUCN Red List and is a focus of conservation concern Critically Endangered is the highest risk category before extinction in the wild.

What sound does the Blue-throated Hillstar make?

1 real field recording of the Blue-throated Hillstar — including its call — can be played in the Songs & calls section on this page, credited to the recordist who captured it.

Conservation

Critically Endangered

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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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.

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Meet the Trochilidae

A field guide to the Trochilidae family — 366 species in the Birbs encyclopedia, with the best-known members to start with.

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