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Baird's Trogon Trogon bairdii Scientific name definitions

Nigel Collar
Version: 1.0 — Published March 4, 2020
Text last updated October 18, 2016

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Introduction

The Baird's Trogon is a loud, colorful trogon of Costa Rica and Panama. Within its small range, this species can be found in the canopy of humid rainforests, occasionally venturing into forest edge to visit fruiting trees. Its distinctive tail pattern makes this species unlikely to be confused with other trogons within its range. Mainly a fruit eater, the Baird's Trogon has also been observed consuming insects and even small lizards. Its population status is unknown and more work needs to be done examining this species’ population biology. Due to its small range, the Baird Trogon has been listed as near threatened on IUCN's Watchlist. The greatest threats to the Baird's Trogon are deforestation and habitat fragmentation.

Field Identification

25–28 cm; 94–95 g. Male has light blue bill and orbital ring ; head to mid-breast bluish-black, mid-breast to undertail-coverts deep bright red; upperparts metallic blue-green, wingpanel mostly blackish; primaries whitish on outer webs; tail greenish-blue to violet-blue and tipped black above, almost entirely white below with black tip. Virtually identical to T. viridis except for red on underparts. Female duller, greyer, without green and blue tones, dark slate above, paler on throat and breast; red on underparts less extensive; undertail barred, with white bars half width of slaty bars. Juvenile like female, but rectrices more pointed and with less regular barring; male with little orange on belly, female with none.

Systematics History

Sometimes considered conspecific with T. viridis (and T. chionurus); genetic data indicate that these two form a sister-group to T. melanocephalus and T. citreolus (1). Sometimes considered conspecific with T. chionurus alone; habits and vocalizations rather similar, differs in pinkish-red vs yellow belly in both sexes (3); undertail (three outer rectrices) of female black with narrow bars vs thickly barred black and white with long white tips (3); and barring of wing-coverts in female bolder and more widely spaced (2). Monotypic.

Subspecies

Monotypic.

Distribution

Pacific slope of Costa Rica (N to around Río Grande de Tárcoles) and adjacent SW Panama (W Chiriquí).

Habitat

Canopy of humid rainforest; sometimes venturing into forest edge, upper understorey, shrubby undergrowth and adjacent tall second growth, or well-shaded semi-open woodland, to visit fruiting trees and shrubs; some use of transitional zone between forest and tropical dry growth. In lowlands and foothills locally to 1200 m.

Movement

Apparently sedentary.

Diet and Foraging

Fruit, also insects, including large hairy caterpillars; once a small lizard. Large green insects and larvae brought to young, once a large stick-insect. Sallies to seize fruit and insects from foliage, and takes prey from ground.

Sounds and Vocal Behavior

A series of barking notes, first level, then accelerating and falling abruptly, sometimes terminating with several widely spaced notes on lower pitch; clearer and more melodious than T. massena; sharp cackle when agitated.

Breeding

Apr–Aug. Nest a rounded unlined chamber with ascending tunnel, 2–15 m up in large decaying trunk in forest or adjacent clearing. Eggs 2–3; incubation 16–17 days; nestling period c. 25 days.
Not globally threatened. Currently considered Near-threatened. Restricted-range species: present in South Central American Pacific Slope EBA. Fairly common in Costa Rica, notably in Terraba Valley, but deforestation in much of range has drastically reduced species’ habitat, restricting it chiefly to a number of protected areas such as Corcovado National Park on the Osa Peninsula, Manuel Antonio National Park and Carara Biological Reserve. Rare in Panama, with most recent record apparently 2 pairs on Burica Peninsula in 1982.
Distribution of the Baird's Trogon - Range Map
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  • Year-round
  • Migration
  • Breeding
  • Non-Breeding
Distribution of the Baird's Trogon

Recommended Citation

Collar, N. (2020). Baird's Trogon (Trogon bairdii), version 1.0. In Birds of the World (J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.baitro1.01
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