Black-tailed Trogon (Trogon melanurus) [XC274960]
by Jonas Nilsson from Orellana: 'Maxus' road km 37 (27 km SSE Pompeya), Ecuador (song)
Black-tailed Trogon (Trogon melanurus) [XC274961]
by Jeremy Minns from Sucumb\u00edos: Imuyacocha (Lagartococha), Ecuador (song)
Subspecies
Trogon melanurus (Sibley and Monroe 1990, 1993; Stotz et al. 1996) has been split into Black-tailed Trogon (Trogon melanurus) and Trogon mesurus following SACC (2009).
Closest relatives may be Slaty-tailed Trogon (Trogon massena), Lattice-tailed Trogon (Trogon clathratus) and Choco Trogon (Trogon comptus). Probably forms a parapatric species pair with Choco Trogon (Trogon comptus). Sometimes thought to include subspecies australis of Slaty-tailed Trogon (Trogon massena). Subspecies macroura sometimes suggested to be a distinct species, and subspecies australis of Slaty-tailed Trogon (Trogon massena) then regarded by some authors as belonging therein. Birds from Amazonian Brazil sometimes separated as subspecies occidentalis.
The following 5 subspecies are recognised:
macroura Gould, 1838 - Central Panama (east of Canal Zone) to northern Colombia and extreme north-western Venezuela.
mesurus (Cabanis and Heine, 1863) - Western Ecuador and north-western Peru. Considered by some authors to be a distinct species, Ecuadorian Trogon (Trogon mesurus).
melanurus Swainson, 1838 - East of Andes from Colombia east through Venezuela to the Guianas and north-eastern Brazil (Maranhío).
eumorphus Zimmer, JT, 1948 - Amazon Basin from eastern Ecuador and Peru east to north-central Brazil (to east of Manaus), south to northern Bolivia.
occidentalis Pinto, 1950 - South-eastern Brazil (São Paulo region).