Amphibian and Reptile Consumption by Otters (Lutra Lutra) in a Coastal Area in Southern Iberian Peninsula

摘要: Through the analysis of 1518 otter spraints we determined importance amphibians and reptiles in diet seasonal patterns consumption different species a heterogeneous coastal environment southern Spain. Otters fed on minimum six amphibian three reptile species. Amphibians were present 13.2% 3.9% analysed. Remains significantly associated spraints, but negatively with crayfish occurrences. Maximum occurred during summer. Though terrapins have been rarely cited as prey, they consumed more than twice frequently water snakes study area. The highest frequency was recorded late winter-spring surveys, coinciding spawning periods most However, remained high summer months due to predation Iberian green frog (Rana perezi), very aquatic that almost only this season.