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Overview

Distribution

Range

Highlands of n and central Costa Rica.

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Physical Description

Type Information

Type for Elvira cupreiceps
Catalog Number: USNM 41478
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Birds
Sex/Stage: Male; Adult
Preparation: Skin: Whole
Collector(s): J. Carmiol
Year Collected: 1865
Locality: Barranca, Slopes of Volcan De Poas, Edge of Barranca Stream To N of Road To San Carlos, Alajuela, Costa Rica, North America
Elevation (m): 1829
  • Type: Lawrence. (Not Earlier Than June 25) 1866. Ann. Lyc. Nat. Hist. New York. 8: 348.
Creative Commons Attribution 3.0 (CC BY 3.0)

© Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Birds

Source: National Museum of Natural History Collections

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Ecology

Habitat

Habitat and Ecology

Systems
  • Terrestrial
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© International Union for Conservation of Nature and Natural Resources

Source: IUCN

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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2012

Assessor/s
BirdLife International

Reviewer/s
Butchart, S. & Symes, A.

Contributor/s

Justification
Although this species may have a small range, it is not believed to approach the thresholds for Vulnerable under the range size criterion (Extent of Occurrence <20,000 km2 combined with a declining or fluctuating range size, habitat extent/quality, or population size and a small number of locations or severe fragmentation). The population trend is not known, but the population is not believed to be decreasing sufficiently rapidly to approach the thresholds under the population trend criterion (>30% decline over ten years or three generations). The population size has not been quantified, but it is not believed to approach the thresholds for Vulnerable under the population size criterion (<10,000 mature individuals with a continuing decline estimated to be >10% in ten years or three generations, or with a specified population structure). For these reasons the species is evaluated as Least Concern.
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© International Union for Conservation of Nature and Natural Resources

Source: IUCN

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Population

Population
The global population size has not been quantified, but this species is described as 'fairly common' (Stotz et al. (1996).

Population Trend
Unknown
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© International Union for Conservation of Nature and Natural Resources

Source: IUCN

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Wikipedia

Coppery-headed emerald

A perched male
A female, near Monteverde

The Coppery-headed Emerald (Elvira cupreiceps) is a small hummingbird endemic to Costa Rica. It measures a mere 3 in (7.6 cm) in length, and weighs only 3 g (0.11 oz).[2] The male has distinctive coppery crown and rump with a whole green belly and white vent. The female has a white belly and a narrow black subterminal band on white outer rectrices of the tail. Its noticeably decurved bill sets it apart from similar the allopatric White-tailed Emerald.

This species is fairly common at middle elevations on Caribbean Slope, south to Reventazon River; from 600 to 1,500 m (2,000 to 4,900 ft). Also it is fairly common on Pacific slope of Guanacaste and Tilarán Cordilleras; from 1,200 to 1,500 m (3,900 to 4,900 ft).

Like all hummingbirds, the Coppery-headed Emerald feeds on nectar and small invertebrates. Because its bill is short, it forages at small flowers, including those in the genera Besleria, Cavendishia, Clusia, Guarea, Pithecellobium, Quararibea and Satyria.[2] It feeds at all levels in mature wet montane forest and forest edges.

Males form small leks at middle levels of forest edges.

References[edit]

  1. ^ BirdLife International (2012). "Elvira cupreiceps". IUCN Red List of Threatened Species. Version 2013.2. International Union for Conservation of Nature. Retrieved 26 November 2013. 
  2. ^ a b Henderson, Carrol L.; Adams, Steve (2002). Birds of Costa Rica: A Field Guide. Austin, TX: University of Texas Press. p. 160. ISBN 978-0-292-71965-1. 
  • Garrigues, Richard; Dean, Robert (2007). The Birds of Costa Rica. Ithaca: Zona Tropical/Comstock/Cornell University Press. p. 250. ISBN 978-0-8014-7373-9. 
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Source: Wikipedia

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