Spectograms of scolds of S. griseicollis subspecies found in Colombia and Venezuela. S. g. morenoi: A Oirá River, border with Colombia, Apure state, Venezuela (XC6079, C. Parrish) B Páramo de Santurbán, Vetas, Santander department, Colombia (XC117002, O. Cortés). S. g. gilesi C vereda Alto Cantagallos, San Vicente de Chucurí, Santander department, Colombia (XC18457, T. M. Donegan) D Lepipuerto, El Carmen de Chucurí/Simacota, Santander department, Colombia (XC18477, T. M. Donegan). S. g. griseicollis E Chingaza NP, Cundinamarca department, Colombia (XC79989, A. Spencer) F Iguaque, Boyacá department, Colombia (XC119700, D. Edwards). Spectrograms were made in Syrinx v2.6h (Burt 2006) applying the same parameters except for adjusting brightness to improve note resolution.