Diet of otters (Lutra lutra) in closely associated freshwater, brackish and marine habitats in south‐west Portugal

摘要: The diet of otters was studied in closely associated freshwater, brackish and marine habitats, from spraints collected on the Portuguese south-west coast over an 18-month period. In areas where prey only available resource, dominated by blennies, wrasses gobies, but other taken near coastal lagoons, marshes estuaries. Eels amphibians were considered typical freshwater grey mullet water habitats. If inland habitats large enough, preferred to forage there rather than sea. one area alternatively used former most extensively autumn winter, latter spring summer. It is suggested that prefer