Blue-crowned Trogon (Trogon curucui) [XC239136]
by Niels Krabbe from Sucumb\u00edos: 'La Selva Jungle Lodge', n bank R\u00edo Napo, Ecuador (duet)
Blue-crowned Trogon (Trogon curucui) [XC355178]
by Edson Guilherme from Ramal Seringal Cachoeira, Xapuri, Acre, Brazil (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.