Mountain Trogon (Trogon mexicanus) [XC677233]
by Matthew L. Brady from Mesa El Campanero, Y\u00e9cora, Sonora, Mexico (song)
Mountain Trogon (Trogon mexicanus) [XC335088]
by Frank Lambert from Campamento El Triunfo, Chiapas, Mexico (song)
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.