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Trogon melanocephalus, commonly known as the black-headed trogon, is found in open lowland forests along the Pacific and Caribbean slopes of Mesoamerica (Skutch, 1948; Riehl, 2012). Two observably distinct populations exist across the species’ distribution range: T. m. melanocephalus is found along the eastern coast of Mexico and Central America from southern Veracruz through to Belize and northern Costa Rica while T. m. illaetabilis is found along the Pacific coast of Central America from El Salvador through western Nicaragua. Like other trogon species, the black-headed trogon has a stocky body and a short beak that curves slightly at its tip. The head and chest are dark black as referenced in the species’ nomenclature (“mela”- dark; “cephal”- head). Beneath the chest is a narrow band of white above bright yellow underparts. The wings are black aside from white edgings. The tail is long and rectangular with a banding pattern of alternating black and white feathers, giving it a “tiered” appearance. Males exhibit particularly glossy, iridescent coloring along the nape and back. Females are patterned in the same manner but feature more subdued coloring and lack the iridescent hind coloring of males.
Black-headed trogons are socially monogamous as nesting pairs and travel in assemblages of 3-12 individuals that form throughout the breeding season (Riehl, 2008). Such groupings, dubbed “quasi-leks” (Brosset, 1983) and “lek-like” (Johnsgard, 2000), are characterized by male-skewed sex ratios and communal calling between individuals. It has been suggested that such a system plays a primary function in mate choice (Skutch, 1972). However, it has also been argued that the assemblies play little to no role in courtship (Riehl, 2008). The black-headed trogon’s diet is composed of fruit and insects. Insect consumption by the species is thought to coincide with seasonality and life stage such that the trogons typically consume a much larger proportion of insects as nestlings and during the wet season (Riehl and Adelson, 2008).
Distribucion General: Se encuentra desde el este de México hasta Costa Rica.
Trogon melanocephalus, ye una especie d'aves perteneciente a la familia Trogonidae.
Atópase en Belize, Costa Rica, El Salvador, Guatemala, Hondures, Méxicu, y Nicaragua. El so hábitat natural son los montes secos subtropicales o tropicales, los húmedos montes de les tierres baxes y los antiguos montes degradaos.
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An trogon penn du a zo un evn hag a vev e kreiz Amerika. Trogon melanocephalus eo e anv skiantel.
An trogon penn du a zo un evn hag a vev e kreiz Amerika. Trogon melanocephalus eo e anv skiantel.
Trogon melanocephalus és un ocell de la família dels trogònids (Trogonidae) que habita zones boscoses i arbustives de l'est de Mèxic, Belize, Guatemala, El Salvador. Hondures i nord de Costa Rica.
En diverses llengües rep el nom de "trogon capnegre" (Anglès: Black-headed Trogon. Francès: Trogon à tête noire).
Trogon melanocephalus és un ocell de la família dels trogònids (Trogonidae) que habita zones boscoses i arbustives de l'est de Mèxic, Belize, Guatemala, El Salvador. Hondures i nord de Costa Rica.
En diverses llengües rep el nom de "trogon capnegre" (Anglès: Black-headed Trogon. Francès: Trogon à tête noire).
Aderyn a rhywogaeth o adar yw Trogon penddu (sy'n enw gwrywaidd; enw lluosog: trogoniaid penddu) a adnabyddir hefyd gyda'i enw gwyddonol Trogon melanocephalus; yr enw Saesneg arno yw Black-headed trogon. Mae'n perthyn i deulu'r Trogoniaid (Lladin: Trogonidae) sydd yn urdd y Trogoniformes.[1]
Talfyrir yr enw Lladin yn aml yn T. melanocephalus, sef enw'r rhywogaeth.[2]
Mae'r trogon penddu yn perthyn i deulu'r Trogoniaid (Lladin: Trogonidae). Dyma rai o aelodau eraill y teulu:
Rhestr Wicidata:
rhywogaeth enw tacson delwedd Cwetsal cribog Pharomachrus antisianus Cwetsal cynffonfrith Pharomachrus fulgidus.jpg)
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Aderyn a rhywogaeth o adar yw Trogon penddu (sy'n enw gwrywaidd; enw lluosog: trogoniaid penddu) a adnabyddir hefyd gyda'i enw gwyddonol Trogon melanocephalus; yr enw Saesneg arno yw Black-headed trogon. Mae'n perthyn i deulu'r Trogoniaid (Lladin: Trogonidae) sydd yn urdd y Trogoniformes.
Talfyrir yr enw Lladin yn aml yn T. melanocephalus, sef enw'r rhywogaeth.
The black-headed trogon (Trogon melanocephalus) is a species of bird in the family Trogonidae. It is found in Belize, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, and Nicaragua.[2]
The black-headed trogon is treated as monotypic by the International Ornithological Committee and BirdLife International's Handbook of the Birds of the World.[2][3] However, the Clements taxonomy assigns it two subspecies, the nominate T. m. melanocephalus and T. m. illaetabilis.[4]
This article follows the monotypic model.
The black-headed trogon is 27 to 28 cm (11 to 11 in) long and weighs about 74 to 95 g (2.6 to 3.4 oz).[5][6][7] Adults of both sexes have slate-black to black head, neck, and chest. A sky-blue ring of bare skin surrounds the dark eye. A thin white line separates the chest from the rest of their underparts, which are cadmium to chrome yellow that becomes lighter at the vent area. The two inner pairs of tail feathers are metallic bronze breen to bluish green with black tips. The next pair are all black and the outermost three pairs are black with wide white tips. Their wings are slate black with some white. Adult males' upperparts are bright metallic bluish green to golden green with metallic blue to bluish violet rump and uppertail coverts. Adult females replace the male's metallic upperparts with dark slate.[7]
Immature males have a mostly black tail with a limited amount of white and their wings have more white than adults'. Immature females' tails lack the black tips on the inner tail feathers, and like immature males also have less white on the tail than adults.[7]
The black-headed trogon is found on the Caribbean slope from southern Veracruz in Mexico south through Belize, northern Guatemala, and northern Honduras to central Nicaragua. It is also found on the Pacific slope from El Salvador through southern Honduras and western Nicaragua into northwestern Costa Rica. The species inhabits a variety of forest types including wet and moist tropical forest, pinelands, gallery forest, secondary forest, and dry forest. It favors the forest edges rather than the dense interior and is also found in other semi-open to open landscapes including banana and cacao plantations, gardens, and suburban areas. In elevation it usually is found between sea level and 600 m (2,000 ft) but does occur as high as 1,000 m (3,300 ft)[7]
The black-headed trogon is non-migratory.[7]
The black-headed trogon often gathers in mixed-sex groups of up to 12 individuals. Usually there are more males than females, leading to speculation that the assemblage is a form of lek mating.[7]
The black-headed trogon typically forages from the mid-story to the canopy, often along the forest edges and in gaps. The adult's diet is fruit and arthropods that it collects while hovering after short sallies from a perch. It returns to the perch to eat. Nestlings are fed arthropods almost exclusively, especially larvae.[7]
The black-headed trogon's breeding season varies across its range but appears to be within the March to July period. All of the known nests were in the active termitaria of Nasutitermes termites. Both sexes excavate the nest cavity, sometimes from the bottom of the termite nest and sometimes horizontally in the side. Nest heights ranged from near the ground to 5 m (20 ft) up. The clutch size appears to be three eggs. Both parents incubate the eggs for about 17 to 19 days and fledging occurs about 16 or 17 days after hatch.[7]
The black-headed trogon is vocal and often detected by its calls. The most common call is " a loud series of 15-20 accelerating clucks or 'cuck' notes". It is sometimes sung by a pair as a duet and also by small groups of individuals. The species' alarm call is "a single low 'cuck'".[7]
The IUCN has assessed the black-headed trogon as being of Least Concern. It has a large range but its population size is not known and believed to be decreasing. No immediate threats have been identified.[1] It is considered common in most of its range and "is more flexible in its habitat requirements than other trogons, tolerating degraded forests and human-managed landscapes (pastures, farmland, plantations)."[7]
The black-headed trogon (Trogon melanocephalus) is a species of bird in the family Trogonidae. It is found in Belize, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, and Nicaragua.
Trogon melanocephalus es una especie de aves de la familia Trogonidae.
Se encuentra en Belice, Costa Rica, El Salvador, Guatemala, Honduras, México, y Nicaragua. Su hábitat natural son los bosques secos subtropicales o tropicales, los húmedos bosques de las tierras bajas y los antiguos bosques degradados.
Datos: Q1089145
Multimedia:
Especies: Trogon melanocephalus
Trogon melanocephalus es una especie de aves de la familia Trogonidae.
Trogon melanocephalus Trogon generoko animalia da. Hegaztien barruko Trogonidae familian sailkatua dago.
Trogon melanocephalus Trogon generoko animalia da. Hegaztien barruko Trogonidae familian sailkatua dago.
Naurutrogoni (Trogon melanocephalus) on trogonien heimoon kuuluva keskiamerikkalainen lintulaji. Sen esiintymisalue käsittää Keski-Amerikan Atlantin-puoleista rannikkoa Kaakkois-Meksikosta Pohjois-Guatemalaan, Belizeen ja Pohjois-Hondurasiin, sekä Tyynemeren puoleista rannikkoa El Salvadorissa, Nicaraguassa ja Pohjois-Costa Ricassa. John Gould kuvaili lajin holotyypin Tamaulipasista Meksikosta vuonna 1836.[2]
Naurutrogoni (Trogon melanocephalus) on trogonien heimoon kuuluva keskiamerikkalainen lintulaji. Sen esiintymisalue käsittää Keski-Amerikan Atlantin-puoleista rannikkoa Kaakkois-Meksikosta Pohjois-Guatemalaan, Belizeen ja Pohjois-Hondurasiin, sekä Tyynemeren puoleista rannikkoa El Salvadorissa, Nicaraguassa ja Pohjois-Costa Ricassa. John Gould kuvaili lajin holotyypin Tamaulipasista Meksikosta vuonna 1836.
Trogon melanocephalus
Le Trogon à tête noire (Trogon melanocephalus) est une espèce d'oiseau de la famille des Trogonidae.
Cette espèce est parfois considérée par certains auteurs comme étant une sous-espèce de Trogon citreolus.
Cet oiseau est représenté par deux sous-espèces :
Son aire s'étend du sud-est du Mexique au nord du Costa Rica.
Trogon melanocephalus
Le Trogon à tête noire (Trogon melanocephalus) est une espèce d'oiseau de la famille des Trogonidae.
De zwartkoptrogon (Trogon melanocephalus) is een vogel uit de familie Trogonidae.
Deze soort komt voor van zuidoostelijk Mexico tot noordelijk Costa Rica.
De zwartkoptrogon (Trogon melanocephalus) is een vogel uit de familie Trogonidae.
Svarthuvad trogon[2] (Trogon melanocephalus) är en fågel i familjen trogoner inom ordningen trogonfåglar.[3] IUCN kategoriserar arten som livskraftig.[1]
Svarthuvad trogon delas in i två underarter:[3]
Wikimedia Commons har media som rör svarthuvad trogon.
Wikispecies har information om Trogon melanocephalus.
Svarthuvad trogon (Trogon melanocephalus) är en fågel i familjen trogoner inom ordningen trogonfåglar. IUCN kategoriserar arten som livskraftig.
Svarthuvad trogon delas in i två underarter:
T. m. melanocephalus – förekommer i gulfkaribiska sluttningar i östra Mexico till nordöstra Costa Rica T. m. illaetabilis – förekommer i västra Costa Rica
Trogon melanocephalus là một loài chim trong họ Trogonidae.[1]
Trogon melanocephalus là một loài chim trong họ Trogonidae.
