Ecology and biogeography of the Neotropical otter <Emphasis Type="Italic">Lontra longicaudis</Emphasis>: existing knowledge and open questions |
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Authors: | Lana Resende de Almeida Maria João Ramos Pereira |
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Institution: | 1.Bird and Mammal Evolution, Systematics and Ecology Lab, Departamento de Zoologia, Programa de Pós-Gradua??o em Biologia Animal e Programa de Pós-Gradua??o em Ecologia,Universidade Federal do Rio Grande do Sul,Porto Alegre,Brazil;2.Centre for Environmental and Marine Studies,Universidade de Aveiro,Aveiro,Portugal |
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Abstract: | The Neotropical otter, Lontra longicaudis, is considered near threatened by the IUCN, and with declining populations, it is still one of the lesser known species of otter in the world. Like other otter species, L. longicaudis is associated with water courses in a large variety of habitats and biomes across its area of distribution. Here, we present a review of the available literature on L. longicaudis aiming to update information on its distribution, ecology and systematics. We performed online searches using combinations of the words L. longicaudis, river otter, Neotropical otter, nutria and lobito del río, limiting our search to 1972–2016. Recent information on evolutionary history and biogeographic patterns, distribution patterns, as well as on the ecology of the species across a large part of its distribution range, including trophic ecology and intraspecific communication, was retrieved. We found severe gaps in knowledge including aspects of life history, ground validation of new potential distribution areas and long-term population monitoring aiming at designing more efficient conservation measures and techniques. In this context, we conclude by presenting perspectives for future studies. |
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