Silvery-fronted Tapaculo (Scytalopus argentifrons) [XC274182]
by Peter Boesman from Tapant\u00ed NP, Cartago, Costa Rica (call)
Silvery-fronted Tapaculo (Scytalopus argentifrons) [XC501988]
by Hans Matheve from Bur\u00ed, Kakint\u00fa, Ng\u00e4be-Bugl\u00e9 Comarca, Panama (alarm call)
Subspecies
Subspecies chiriquensis has sometimes been treated as separate species, but appears not to differ vocally.
The following 2 subspecies are recognised:
argentifrons Ridgway, 1891 - Costa Rica and western Panama (Volcán de Chiriquí).
chiriquensis Griscom, 1924 - Western Panamá in eastern Chiriquí and eastern Veraguas.