Diversidad de aves y mamíferos de la Zona Reservada Peninsula de Illescas Diversidad de aves y mamíferos de la Zona Reservada Península de Illescas

Abstract

An assessment of the diversity of birds and mammals was made in Illescas Reserved Area during May 2015 in 4 areas: Bahía Nonura, Punta Aguja, Punta El Faro and Punta Blanca. During the assessment, 3 orders, 8 families and 18 species of birds were found. The most abundant species in the 4 areas was Sula nebouxii, only 30 adult penguins were found at Punta Aguja. For marine mammals, more sea lions (497) were found in Punta Aguja and 209 in Punta El Faro. Punta El Faro was the area with the greatest species richness (17) and Bahía Nonura had the lowest species richness (9). The greatest abundance of species was found in Punta Blanca, with 8274 individuals and the lowest abundance of species was found in Bahia Nonura with 270 individuals. Of the 4 areas, Punta Aguja recorded the greatest dominance with 0.7418. Punta El Faro had the highest Shannon-Weaver index value (1.688). This index was statistically compared among the 4 zones and significant differences between the four areas were found.