Mountain Trogon (Trogon mexicanus) [XC338004]
by Frank Lambert from Mesa de Arturo area, above Urique, Chihuahua, Mexico (song)
Mountain Trogon (Trogon mexicanus) [XC500004]
by id from Concordia Municipality, Sinaloa, Mexico (alarm call)
Subspecies
Possibly most closely related to Elegant Trogon (Trogon elegans), Collared Trogon (Trogon collaris), Masked Trogon (Trogon personatus), Black-throated Trogon (Trogon rufus) and Blue-crowned Trogon (Trogon curucui). Birds from Honduras sometimes separated as subspecies lutescens, but apparently indistinguishable from nominate.
The following 3 subspecies are recognised:
clarus Griscom, 1932 - North-western Mexico.
mexicanus Swainson, 1827 - Western, eastern and southern Mexico, southern Guatemala, southern Honduras and northern El Salvador.
lutescens Griscom, 1932 - Highlands of El Salvador and Honduras.