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Blue-throated Hillstar

Oreotrochilus cyanolaemus

Critically Endangered
Weight
7.6 g
Family
Trochilidae
Order
Caprimulgiformes

The Blue-throated Hillstar (Oreotrochilus cyanolaemus) is a bird species in the family Trochilidae (hummingbirds), within the order Caprimulgiformes (nightjars & swifts). Recorded measurements include a weight of 7.6 g. The IUCN Red List classifies it as Critically Endangered.

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About

A recently discovered hummingbird (11 cm) from the southwestern Andes of Ecuador at 3,300-3,900 m. Males have an iridescent blue throat. Described in 2018. Known from a single ridgeline. Critically Endangered with a range estimated at less than 100 km2.

Physical Description

Measurement Value Imperial
Weight 7.6 g 0.27 oz

Habitat & Range

Geographic Range

Endemic to the Cordillera de Chilla region of extreme southwestern Ecuador in high páramo. 3,200–4,200 m. Endangered.

Diet & Feeding

Nectarivore adapted to very high elevations; forages at Chuquiraga, Gentianella, and Puya flowers. Gleans arthropods.

Conservation Status

Critically Endangered
IUCN Red List

Sound

Song

Buzzy, sustained trill with monotonous quality; continuous low-pitched vibration with little variation across prolonged delivery.

Taxonomy

Kingdom Animalia
Phylum Chordata
Class Aves
Order Caprimulgiformes (Nightjars & Swifts)
Family Trochilidae (Hummingbirds)
Genus Oreotrochilus
Species Oreotrochilus cyanolaemus

Distribution

Blue-throated Hillstar has been recorded in 1 countries.

Present Not recorded

countries highlighted

External Databases

Frequently Asked Questions

What does the Blue-throated Hillstar eat?
Nectarivore adapted to very high elevations; forages at Chuquiraga, Gentianella, and Puya flowers. Gleans arthropods.
Where does the Blue-throated Hillstar live?
Endemic to the Cordillera de Chilla region of extreme southwestern Ecuador in high páramo. 3,200–4,200 m. Endangered.
Is the Blue-throated Hillstar endangered?
The Blue-throated Hillstar has a conservation status of Critically Endangered.
What does the Blue-throated Hillstar sound like?
Buzzy, sustained trill with monotonous quality; continuous low-pitched vibration with little variation across prolonged delivery.
How big is the Blue-throated Hillstar?
The Blue-throated Hillstar has a weight of 7.6 g.
What order and family does the Blue-throated Hillstar belong to?
The Blue-throated Hillstar (Oreotrochilus cyanolaemus) belongs to the order Caprimulgiformes and the family Trochilidae.

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