Amazonian Black-throated Trogon
Trogon rufus
Like most trogons, the Amazonian black-throated has distinctive male and female plumages with soft colorful feathers. This relatively small species is 24 to 26 cm (9.4 to 10 in) long and weighs 45 to 60 g (1.6 to 2.1 oz). Adult males of the nominate subspecies T. r. rufus have a black forehead and face with a pale blue ring of bare skin around their eye. They are metallic green to blue on their crown, back, lesser wing coverts, rump, and uppertail coverts. Their flight feathers, primary coverts, and secondary coverts are various patterns of black and white. Voice: Male trogons' song is "far-carrying and hollow...many more will be heard than seen". (emphasis in original) That of the Amazonian black-throated trogon is "a slow, regularly spaced series of 2–6 (typically 3–4) nasal, over-slurred coo notes". The pace and number of notes varies in a minor way among the subspecies. The species' call is a "churr".
ID text from Wikipedia, CC BY-SA 4.0
Green-backed Trogon
Trogon viridis
This relatively large trogon is 28 to 30 centimetres (11 to 12 in) long. As most trogons, it is strongly sexually dimorphic. In the male the head and upper breast are dark blue (appears blackish in poor light), and the back is green. The lower underparts are orange yellow. The wings are black, vermiculated with white. The undertail is black and white: Each feather has a broad black base and a broad white tip and outer edge. The complete eye-ring is pale bluish.
ID text from Wikipedia, CC BY-SA 4.0
Where you might meet both
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Amazonian Black-throated Trogon and Green-backed Trogon.