<trp-post-container data-trp-post-id='359871'>Mountain Trogon

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En bref

  • Scientific Name: Trogon mexicanus
  • Spanish Name: Trogón montañero
  • Family: Trogonidae
  • Known Nicknames: Mexican Trogon
  • Average Length: 28–32 cm / 11–13 in
  • Average Weight: 65–85 g / 2.3–3.0 oz
  • Wingspan: 36–42 cm / 14–17 in
  • Key Feature: Brightly colored plumage with green back, red belly, and white breast band
  • Primary Diet: Primarily Frugivore, also Insectivore
  • Range: Central America from southern Mexico to Honduras
  • Habitat: Montane cloud forest and humid pine-oak woodland
  • Structure sociale : Solitaires ou en couples
  • Nesting/Breeding: Tree cavities or old woodpecker holes
  • Statut de conservation : Préoccupation mineure (LC)
  • Évolution démographique : Stable

The Mountain Trogon (*Trogon mexicanus*), a jewel of Central America’s highland cloud forests, is a strikingly beautiful bird renowned for its vivid, almost iridescent plumage. The male boasts a brilliant emerald-green back and chest, a contrasting crimson belly, and a distinctive white band separating the two, while the female is more subtly adorned with a brown head and chest. A unique characteristic of this species is its weak, squeaky call, which seems at odds with its resplendent appearance, and it is one of the few trogons that regularly inhabits higher elevations, often perching motionlessly in the mid-canopy before sallying out to snatch fruit or insects. Special features include its heterodactyl feet—where the first and second toes face backward—a trait unique to trogons, and its habit of nesting in abandoned woodpecker holes or natural tree cavities, rarely excavating its own.

Faits amusants

The Mountain Trogon is so sedentary that individuals have been recorded occupying the exact same tree cavity for over a decade, returning year after year. Unlike many birds, it does not build a nest; instead, it lays its eggs directly on the rotting wood floor of a natural hole, relying on the decomposition heat to assist incubation. Its feet are zygodactyl, with two toes pointing forward and two backward, but the first toe is actually reversible, allowing it to cling vertically to tree trunks like a woodpecker while scanning for fruit or insects. A quirky feeding habit involves plucking berries mid-flight and, if the fruit is too large, wedging it into a bark crevice to break it apart with its bill.

Habitats et répartition

The Mountain Trogon inhabits humid montane forests, cloud forests, and pine-oak woodlands, typically at elevations between 1,200 and 3,000 meters. It prefers dense, moss-laden canopies with abundant epiphytes, often near streams or ravines, where it perches motionlessly while foraging for insects and fruit. Its geographical range extends from central Mexico through the highlands of Guatemala, Honduras, El Salvador, and into northern Nicaragua, with isolated populations in the Sierra Madre Oriental and Sierra Madre del Sur. It is generally resident within its range, though some altitudinal movements may occur in response to seasonal food availability.

Comportements & Reproduction

The Mountain Trogon is generally solitary or found in pairs, with a social structure centered on monogamous pair bonds during the breeding season. Males attract females through vocalizations and display flights, often perching prominently and calling to advertise territory. Nesting occurs in natural cavities or old woodpecker holes, typically 2–6 meters above ground in a tree trunk. Both sexes share incubation duties, which last about 17–19 days, and cooperate in feeding the altricial young. A unique reproductive strategy is the use of a "hanging nest" approach: the female lays 2–3 pale blue eggs directly on a shallow bed of wood chips or decayed material within the cavity, with no additional lining. After fledging at around 20–22 days, the chicks remain dependent on parents for several more weeks, gradually learning to forage for insects and fruit. This species does not exhibit cooperative breeding or multiple broods per season, focusing effort on a single clutch.

Alimentation

The Mountain Trogon is primarily frugivorous, with its diet consisting largely of small fruits and berries, which it plucks while hovering or sallying from a perch. However, it is also an opportunistic insectivore, actively catching large insects, caterpillars, and spiders in mid-air or by gleaning them from foliage. An interesting fact about its feeding behavior is that it often joins mixed-species foraging flocks, allowing it to exploit a wider range of food sources while benefiting from the flock's vigilance against predators. Additionally, unlike many birds that crush fruit seeds internally, the Mountain Trogon regurgitates larger seeds whole, playing a key role in seed dispersal within its cloud forest habitat.

Couleurs

The male Mountain Trogon has a metallic green head, upper breast, and back, contrasting with a bright red belly and undertail coverts. Its white chest band separates the green and red, while the long tail shows black upperparts with fine white barring and a white underside tipped in black. The female is duller, with a brown head and breast, a brownish-red belly, and finer white barring on the tail. Both sexes have a pale yellow bill and a bare orange eye-ring. This coloration provides camouflage in dappled light of montane forests, with the male’s green blending with foliage and the female’s brown mimicking tree bark.

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