Riverside Wren (Cantorchilus semibadius) [XC278668]
by Frank Lambert from Hacienda Baru, Dominical, Costa Rica, Costa Rica (call)
Riverside Wren (Cantorchilus semibadius) [XC500135]
by MiriamEaglemon from Talari Mountain Lodge, Costa Rica (call)
Subspecies
No subspecies.
Sometimes considered conspecific with Bay Wren (Cantorchilus nigricapillus), but differs in plumage and no evidence of intergradation where ranges approach in Costa Rica and western Panama. Separation is also supported by recent DNA analyses.