Morphometry and Body Mass of Strigiformes (Birds) from Argentina

Abstract

We present data of 113 live specimens of 11 different taxa of night raptors from Argentina. The information was obtained through ringing campaigns of the Centro Nacio- nal de Anillado de Aves (CENAA) and the Centro de Rehabilitación de Aves Rapaces (CeRaR), both belonging to the National University of Tucumán, Argentina. We used mist nests during the night to capture the owls during such campaigns. In the field, we took measures of total length, bill (culmen with wax and culmen without wax), wing chord, and body mass of each bird. The objective of the work was to obtain biometric information of live owl specimens that can be used later in ecological, taxonomic and phylogenetic studies.