Hellenica World

Trogon rufus

Trogon rufus (*)

Cladus: Eukaryota
Supergroup: Opisthokonta
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Classis: Aves
Subclassis: Carinatae
Infraclassis: Neornithes
Parvclassis: Neognathae
Ordo: Trogoniformes
Familia: Trogonidae
Genus: Trogon
Species: Trogon rufus
Subspecies: T. r. amazonicus - T. r. chrysochloros - T. r. cupreicauda - T. r. rufus - T. r. sulphureus - T. r. tenellus

Name

Trogon rufus Gmelin, 1788

Reference

Systema Naturae 1 pt1 p.404

Vernacular names
English: Black-throated Trogon
Português: Surucuá-de-barriga-amarela

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The Black-throated Trogon, Trogon rufus, is a near passerine bird in the trogon family, Trogonidae. It is also called "Yellow-bellied Trogon", but as it is not the only trogon with a yellow belly this should be avoided. It breeds in lowlands from Honduras south to western Ecuador and northern Argentina.
Like most trogons, it has distinctive male and female plumages and with soft colourful feathers. This relatively small species is 23-24 cm long and weighs 54-57 g, with a white undertail with black barring, a yellow bill and wing coverts which are vermiculated with black and white, but appear grey at any distance. The male Black-throated Trogon has a green head, upper breast and back, black face and throat, and golden yellow belly. The female has a brown head, upper breast and back, rufous upper tail and yellow belly. Immatures resemble the adults but are duller, and young males have a brown throat, breast and wing coverts.

The call is a churring krrrrrr, and the song is a typical trogon series of a few clear whistles, cuh cuh cuh cuh.

It is a resident of the lower levels of damp tropical forests, and prefers the deep shade of the understory. Their broad bills and weak legs reflect their diet and arboreal habits. Although their flight is fast, they are reluctant to fly any distance. They typically perch upright and motionless.

Black-throated Trogons feed mainly on arthropods as well as some fruit, often taken in flight; they are one of the most insectivorous trogon species of their range. They opportunistically catch arthropods that have been startled by other predators, such as coatis (Nasua spp.).[1]

The Black-throated Trogon nests 1–6 m (3.3–20 ft) high in an unlined shallow cavity, with a typical clutch of two white eggs.

Footnotes

1. ^ de Mello Beisiegel (2007), Pizo (2007)


References

* BirdLife International (2008). Trogon rufus. In: IUCN 2008. IUCN Red List of Threatened Species. Downloaded on 05 November 2008.
* de Mello Beisiegel, Beatriz (2007): Foraging Association between Coatis (Nasua nasua) and Birds of the Atlantic Forest, Brazil. Biotropica 39(2): 283–285 [English with Portuguese abstract]. doi:10.1111/j.1744-7429.2006.00255.x (HTML abstract)
* Hilty, Steven L. (2003): Birds of Venezuela. Christopher Helm, London. ISBN 0-7136-6418-5
* Pizo, Marco Aurélio (2007): The relative contribution of fruits and arthropods to the diet of three trogon species (Aves, Trogonidae) in the Brazilian Atlantic Forest. Revista Brasileira de Zoologia 24(2): 515-517 [English with Portuguese abstract]. doi:10.1590/S0101-81752007000200035 PDF fulltext
* Stiles, F. Gary & Skutch, Alexander Frank (1989): A guide to the birds of Costa Rica. Comistock, Ithaca. ISBN 0-8014-9600-4

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