White-chested Emerald

White-chested Emerald

Taxobox
name = White-chested Emerald
regnum = Animalia
phylum = Chordata
classis = Aves
ordo = Trochiliformes
familia = Trochilidae
genus = "Agyrtria"
species = "A. brevirostris"
binomial = "Agyrtria brevirostris"
binomial_authority = (Gould, 1859)

The White-chested Emerald, "Agyrtria brevirostris", is a hummingbird that breeds in eastern Venezuela, the Guianas and Trinidad. It is sometimes placed in a different genus as "Amazilia chionopectus".

It is a widespread and common species in Trinidad, less so in Venezuela. It appears to be a local or seasonal migrant, although its movements are not well understood. It is a bird of cultivation and open woodland. The female lays her eggs in a small cup nest made of plant fibre and placed on a horizontal tree branch.

The White-chested Emerald is 8.9 cm long and weighs 4.7 g. The black bill is straight and fairly long, at nearly 2 cm. It has bright golden-green upperparts, becoming bronze on the tail, white underparts, and its flanks are green, or white spotted with green. The tail is tipped with purple-black. The sexes are similar.

White-chested Emeralds feed on nectar, usually taken from the flowers of large trees, but sometimes from smaller plants such as "Heliconia". They also take small insects. The song of this species is a churring "tche-tche-tche-tche-tche".

References

*cite book
last = ffrench
first = Richard
title = A Guide to the Birds of Trinidad and Tobago
edition = 2nd edition
year = 1991
publisher = Comstock Publishing
isbn = 0-8014-9792-2
*cite book
last = Hilty
first = Steven L
title = Birds of Venezuela
publisher = Christopher Helm
date = 2003
location = London
isbn = 0-7136-6418-5

External links

* [http://ibc.hbw.com/ibc/phtml/especie.phtml?idEspecie=3125 White-chested Emerald videos] on the Internet Bird Collection
* [http://www.bird-stamps.org/cspecies/8615600.htm Stamps] (for Trinidad and Tobago) with RangeMap
* [http://vireo.acnatsci.org/search.html?Form=Search&SEARCHBY=Common&KEYWORDS=white-chested+emerald&showwhat=images&AGE=All&SEX=All&ACT=All&Search=Search&VIEW=All&ORIENTATION=All&RESULTS=24 White-chested Emerald photo gallery] VIREO [http://vireo.acnatsci.org/species_image.php?species=Amazilia+brevirostris Photo-High Res]


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