[order] TROGONIFORMES | [family] Trogonidae | [latin] Trogon curucui | [authority] Linnaeus, 1766 | [UK] Blue-crowned Trogon | [FR] Trogon curucui | [DE] Blauscheitel-Trogon | [ES] Surucua de Pecho Verde (Arg), Trogon Curucui | [NL] Blauwkruintrogon
Monotypic species
Genus
The Neotropical Trogoninae, containing four genera, Trogon, Priotelus, Pharomachrus and Eupilotis. The two Caribbean species of Priotelus were formerly different ones (Temnotrogon on Hispaniola), and are extremely ancient. The two quetzal genera, Pharomachrus and Eupilotis are possibly derived from the final and most numerous genus of trogons in the Neotropics, Trogon. A 2008 study of the genetics of Trogon suggested the genus originated in Central America and radiated into South America after the formation of the Isthmus of Panama (as part of the Great American Interchange), thus making trogons relatively recent arrivals in South America. Within the genus Trogon, a division of species that coincides with female plumage type is well supported. Females with brown breasts and heads characterize one clade (including T. rufus), whereas females in the other clade (including T. comptus) have gray breasts and heads. Females of T. rufus and T. mexicanus both have brown heads. Male plumage does not appear to be informative at this level; species with red or yellow underparts are interspersed in both clades. They have large eyes, stout hooked bills, short wings, and long, squared-off, strongly graduated tails; black and white tail-feather markings form distinctive patterns on the underside. Males have richly colored metallic plumage, metallic on the upperparts.[1] Although many have brightly coloured bare eye-rings, they lack the colorful patches of bare facial skin in their African counterparts, Apaloderma.[2] Females and young are duller and sometimes hard to identify in the field
The male has a bill that is pale greyish-horn with a greenish, bluish or yellowish tinge. It also has an orange eye-ring. The face and throat are blackish while the crown neck and breast are a glossy greenish-blue as is the upper tail. The wing panel appears grey though it is actually black with fine white vermiculations. The female, shown in photos 3 and 4 has a red belly, white across the chest and a grey breast. The bill is blackish above and grey below.
Listen to the sound of Blue-crowned Trogon
[audio:http://www.planetofbirds.com/MASTER/TROGONIFORMES/Trogonidae/sounds/Blue-crowned Trogon.mp3]
Copyright remark: Most sounds derived from xeno-canto
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South America : Central, East. The Blue-crowned Trogon’s range in South America is the southwestern and southeastern quadrants of the Amazon Basin with the northern limit being the Amazon River. The range continues beyond the Amazon Basin south to northern Argentina and Paraguay, and eastwards to eastern coastal Brazil as far south as northern Espirito Santo state; a third of the species range is outside the Amazon Basin.
Found in a variety of habitats but favors canopy and sub canopy of riverine forest. Aslo in grassland savanna or semi-decideous dry forest, woodland edges or scrubs. Found at least at 500m but also higher. In some areas even at 1750 meter in montane forest.
Nest is built in an emtpy chamber of a termite nest usually 1-5 meters above ground. Clutch size is 2-3 eggs.
It eats insects and small fruits and often joins mixed species flocks.
Video Blue-crowned Trogon
httpv://www.youtube.com/watch?v=I7QL9nt48BY
copyright: Stefan Behrens
This species has an extremely large range, and hence does not approach the thresholds for Vulnerable under the range size criterion (Extent of Occurrence <20,000 km2 combined with a declining or fluctuating range size, habitat extent/quality, or population size and a small number of locations or severe fragmentation). The population trend appears to be stable, and hence the species does not approach the thresholds for Vulnerable under the population trend criterion (>30% decline over ten years or three generations). The population size has not been quantified, but it is not believed to approach the thresholds for Vulnerable under the population size criterion (<10,000 mature individuals with a continuing decline estimated to be >10% in ten years or three generations, or with a specified population structure). For these reasons the species is evaluated as Least Concern.
Presumed sedentary
