Blue-crowned Trogon (Trogon curucui) [XC257899]
by John V. Moore from Sucumb\u00edos: 'Sacha Lodge', n bank R\u00edo Napo, Ecuador (song)
Blue-crowned Trogon (Trogon curucui) [XC436615]
by Ricardo Gagliardi from R\u00edo Arazayal, Or\u00e1n, Salta -22.40, -64.25, Bolivia (call, song)
Subspecies
Possibly closest to Mountain Trogon (Trogon mexicanus), Elegant Trogon (Trogon elegans), Collared Trogon (Trogon collaris), Masked Trogon (Trogon personatus) and Black-throated Trogon (Trogon rufus). DNA studies suggest, however, that nearest relatives may be Violaceous Trogon (Trogon violaceus) and White-tailed Trogon (Trogon viridis). Formerly current name variegatus is a junior synonym of curucui, whereas bolivianus is a synonym of peruvianus.
The following 3 subspecies are recognised:
peruvianus Swainson, 1838 - Foot of eastern Andes from Colombia south to north-western Bolivia (R Beni), and east to north-central Brazil (R Tapajós).
curucui Linnaeus, 1766 - Central and eastern Brazil.