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In December and February, 2010-2011, studies were conducted in the Sardinayacu Lake Complex, located in Sangay National Park. Each field study had a duration of 10 days. The objective of this study was to analyze the bioacoustic characteristics of anuran vocalizations in Cormoran Lagoon, one of the lakes of the Complejo Lacustre de Sardinayacu. Day and night rounds were performed for the study, focusing the sampling effort on the areas with the greatest vocal activity. This activity was recorded with a digital recorder connected to a unidirectional microphone. The vocalizations of 6 species of anurans were analyzed, which were described both qualitatively and quantitatively based on spectral variables (frequencies measured in kilohertz) and time variables (duration and interval of the calls, notes and pulses measured in milliseconds). The interspecific variations indicate that the calls of 6 anuran species from the Cormoran Lagoon have their own time and spectral characteristics.

revista mexicana de biodiversidad

Análisis bioacústico de las vocalizaciones de seis especies de anuros de la laguna Cormorán, complejo lacustre de Sardinayacu, Parque Nacional Sangay, Ecuador