Black-cheeked Warbler (Basileuterus melanogenys) [XC517669]
by Hans Matheve from Providencia Rd, Los Quetzales NP, San Jos\u00e9, Costa Rica (call, song)
Black-cheeked Warbler (Basileuterus melanogenys) [XC31804]
by Andrew Spencer from Sendero Los Quetzales, Chiriqui Province, Panama (song?)
Subspecies
Forms a superspecies with Pirre Warbler (Basileuterus ignotus), and sometimes considered conspecific.
The following 3 subspecies are recognised:
melanogenys Baird, 1865 - Central and southern Costa Rica.
eximius Nelson, 1912 - Western Panama in vicinity of Boquette (Chiriquí).
bensoni Griscom, 1927 - Western Panama in vicinity of Chitrá (Veraguas).