Timberline Wren (Thryorchilus browni) [XC411305]
by Odirlei Vieira da Fonseca from Volcan Irazu National Park, Costa Rica (call)
Timberline Wren (Thryorchilus browni) [XC278673]
by Johan Chaves from Providencia Road, Costa Rica, Costa Rica (alarm call, call, song)
Subspecies
Resembles Henicorhina in many aspects (song, plumage, nest), but recent DNA work suggests that it is closer to Troglodytes. Currently placed by most authors in its own genus, pending further investigation. Validity of subspecies disputed.
The following 3 subspecies are recognised:
ridgwayi (Bangs, 1902) - Highlands of central Costa Rica (Volcán Turrialba, Volcán Irazú and adjacent areas).
basultoi Ridgway, 1908 - Cordillera de Dota, in south-central Costa Rica.
browni (Bangs, 1902) - Western Panama (Volcán Barú, Volcán de Chiriquí, Cerro Copete).