Gartered Trogon
Trogon caligatus
Relatively small and compact yellow-bellied trogon of tropical lowland forest, mainly in humid areas. Perches at mid to upper levels, often high in canopy. Male has yellow eyering, female has broken white eyering; both sexes have narrow black-and-white barring on underside of tail. Female Gartered has white barring on its closed wings which female Black-headed Trogon lacks. Digs its nest in large arboreal wasp nests. Used to be known as Violaceous Trogon.
Identification
Most trogons have distinctive male and female plumages, with soft, often colorful, feathers. The gartered trogon is 23 to 25 cm (9.1 to 9.8 in) long and weighs 38 to 57 g (1.3 to 2.0 oz). The nominate male's head, neck, and upper breast are a violet-blue. The face and throat are black with a pale yellow ring around the eye. A narrow white band separates the upper breast from the bright yellow lower breast and belly. The upperparts are metallic green. The tail's upperside is violet-blue with black feather tips; the underside has fine black and white bars and broad white feather tips. The wings are mostly black with some whitish inclusions. The female's head and face, upper breast, and upperparts are gray; the eyering is not complete, the belly is a duller yellow than the male's, and the underside of the tail has a different pattern of black and white.<p>T. c. sallaei has a blackish head and upper breast and a blue nape and lower breast. Its upperparts are a yellower green than the nominate's and the upper side of the tail is green. T. c. concinnus is similar to sallaei but its upperparts and tail are bluer.
Taxonomy
Until the early 2000s, what are now the gartered trogon and the Amazonian trogon (T. ramonianus) were considered subspecies of the violaceous trogon (T. violaceous). The International Ornithological Committee (IOC), the Clements taxonomy, and the South American Classification Committee of the American Ornithological Society (AOS-SACC) have implemented the split making them separate species and renaming T. violaceous the Guianan trogon. However, BirdLife International's Handbook of the Birds of the World (HBW) retains them as subspecies. The classification schemes that treat the gartered trogon as a species assign three subspecies, the nominate T. c. caligatus, T. c. sallaei, and T. c. concinnus.
- Scientific name
- Trogon caligatus
- Authority
- Gould, 1838
- Order
- Trogoniformes
- Family
- Trogonidae
- Genus
- Trogon
Range and habitat
T. c. sallaei is the northernmost subspecies of gartered trogon. It is found on the Caribbean slope of central Mexico and from the Caribbean and Pacific slopes of southern Mexico through Belize, Guatemala, and El Salvador into northern Honduras and possibly into Nicaragua. T. c. concinnus is found from Costa Rica through most of Panama into western Colombia, and separately from western Ecuador into northwestern Peru. The nominate T. c. caligatus is found from the Caribbean slope of Panama's Darién Province through northern Colombia into western Venezuela. It is a year round resident in Mexico but its movements elsewhere, if any, are unknown.<p>The gartered trogon is generally a bird of semi-open landscapes such as forest edges, clearings, gallery forest, secondary forest, and shaded coffee and cacao plantations. In Mexico it is also found in denser evergreen forest and rainforest. In elevation it ranges as high as 1,400 m (4,600 ft) in Central America but is generally more common in lowlands.
Behavior
The gartered trogon usually feeds by hovering to pick fruit and invertebrates from vegetation. It diet includes a larger amount of fruit than most other trogons but also many types of insects and other invertebrates. It sometimes joins mixed-species foraging flocks.<p>The gartered trogon's breeding season spans from March to June in Mexico, May to July in El Salvador, and February to June in Costa Rica. It nests in an wasp, ant, or termite arboreal nest or a hole in a rotten tree, with a typical clutch of two or three eggs.<p>The gartered trogon's song is "a long series of rapid hollow downslurred notes, kyu-kyu-kyu-kyu-kyu-kyu". It also makes a "rolling chattering" call.
Photos
Distribution
Bird Calls
Other Birds
Buff-throated Sunbird
Chalcomitra adelberti
The male is a beautiful and unmistakable sunbird with a pale yellow throat, an iridescent green cap and chin, a black breast band, and a chestnut belly. The color of the upperparts varies geographically, being chestnut-brown in the west and blackish-brown in the east. Females have a faint pale eyebrow and heavy streaking below. Found in lowland rainforest, gallery forest, plantations, and gardens. Female similar to female Johanna’s Sunbird, but has a shorter bill. One characteristic call is a loud “chee-uu.” The song consists of series of squeaky whistles in a simple pattern.
Chestnut-tipped Toucanet
Aulacorhynchus derbianus
Small, green toucan found in cloud forest along the east slope of the Andes. Plumage is mostly green, but note white throat, chestnut tip to the tail, and mostly black bill with thin, white line at base. Some birds have red patches at the tip and base of the bill. Similar to Southern Emerald-Toucanet but lacks yellow in the bill. Usually found high in the canopy, and often gives a repetitive, raspy croak.
Green-headed Oriole
Oriolus chlorocephalus
Old World oriole with mostly yellow plumage, a dull-green hood, and a red bill. Found in forest, forest edge, lush woodland, and adjacent secondary habitats, at low and middle elevations. Song is a series of slurred, liquid whistles, and calls include a raspy, up-slurred whine. Similar to African Black-headed Oriole, but with a good view, easily separated by the green rather than black hood. Often found in the same areas as Eurasian Golden and African Golden Orioles, but distinguished by being hooded rather than yellow-headed.
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