New and noteworthy bird records from the northern sector of the Western Andes of Colombia

The Western Andes (Cordillera Occidental) is the lowest and geologically youngest of the three Andean ranges of Colombia. The rain and cloud forests of the extremely wet Pacific slope are relatively intact in most areas but the drier, rain-shadow vegetation of the eastern (Cauca Valley) slope has been subject to much greater human disturbance. Ornithological studies in the Western Andes, subsequent to initial collecting expeditions (see Chapman 1917), concentrated largely on the southern sector of this cordillera, in the departments of Nariño, Cauca and Valle (e.g., Hilt