Burrowing Owl Research

Abstract
From 1988-1990 a study of the reproductive ecology of the burrowing owl (Speotyto cunicularia floridana) was conducted to determine breeding chronology and success in Dade and Broward Counties. Reproductive data for each of the three years revealed a higher percentage of successful territories (54%) for 1990 than for 1989 (40%) and 1988 (41%). Owls occupying previously established burrows had a higher success in fledging young (63%) than those using newly excavated burrows (19%). Flooding was the primary cause (63%) for nesting failures. Car collisions accounted for 50% of known mortalities.

Resumen
De 1988 a 1990 un estudio de la ecologia reproductiva del tecolotito enano se realizo para determinar el exito de la chronologia reproductive en los condados Dade y Broward. Datos reproductivos para cada uno de los 3 anõs (1988-1990) muestran una tasa de reproduccion mas alta (54%) en 1990 que en 1989 (40%) y 1988 (40%). Los tecolotes que ocupaban madrigueras previamente establecidas tuvieron exito reproductivo mas alto de pollos volantones (63%) que aquelles que usaron madrigueras recian excavadas (19%), Inundacion fue la causa principal de fracasos en anidicaion. Colisiones con autos fueron la causa de 50% de la mortalidad conocida. (Traducción de Filepe Chavez-Ramirez)