Species composition and abundance of bird fauna in a disturbed forest in the Central Andes of Colombia

Abstract

This paper is based on bird censuses conducted regularly along a 1000 m trail in a disturbed natural forest east of the city of Medellín, Colombia, over a period of 13 months. Forty species belonging to 19 families were found at the study site and 23 additional species in the surrounding area. The most abundant species were the Blue-and-black Tanager, Common Bush-Tanager, Sparkling Violetear and Tyrian Metaltail. Interspecies flocks occurred frequently in the area, usually with the Blue-and-black Tanager as nucleus species. The only regular migrant species was the Blackburnian Warbler, which constituted 6.2 % of all individuals censused during its presence from September to March.