Neotropical otters can be found in all Brazilian biomes, and were classified as 'least concern' by the recent Brazilian survey. IUCN Otter Spec. Key Information: This is the smallest of the world’s otters, about 0.9 m long, weighing around 5 kg. However, little is known about their population ecology in general, and distinct areas of occurrence show unequal habitat-related threats. This project will use noninvasive genetic sampling to determine the population size and density of neotropical otters … Acta Theriologica 48:495-504. An otter population was located in southern Tehuacán-Cuicatlán Biosphere Reserve (TCBR), Mexico. The neotropical otter (Lontra longicaudis) is an elusive and predatory mammal located at the top of the trophic chain of aquatic environments. Spatial distribution and diet of the Neotropical otter Lontra longicaudis in the Ibera Lake (northern Argentina). 2015. The Neotropical otter (Lontra longicaudis) is listed as Near Threatened by the IUCN, which ... otter populations, (4) to determine if otter diet on the Osa Penninsula is different from nearby regions. Established in 1964, the IUCN Red List of Threatened Species has evolved to become the world’s most comprehensive information source on the global conservation status of animal, fungi and plant species. Group Bull. Despite being apparently common in many areas, it is one of the least known otters, and genetic studies on this species are scarce. Breeding season Some populations breed only in the spring, others throughout the year; Range number of offspring 1 to 5; Average number of offspring 2-3; Average number of offspring 2.5 AnAge; Average gestation period 56 days; Average gestation period 57 days AnAge; Behavior. The Alaskan sea otter population numbered more than 100,000 in the 1980s. They are the least aquatic of all otters. de MACEDO-SOARES2,3, Alesandra Bez BIROLO1,2 1 Instituto Ekko Brasil, IEB, Brazil e-mail: atendimento@ekkobrasil.org.br … Neotropical otter. The neotropical otter, Lontra longicaudis, is widely distributed in the Americas, but populations are being decimated by hunting, habitat loss, water pollution, and roadkills. 27(1) 2010 REPORT ANNUAL AND INTERANNUAL FOOD HABITS VARIABILITY OF A NEOTROPICAL OTTER (Lontra longicaudis) POPULATION IN CONCEIÇÃO LAGOON, SOUTH OF BRAZIL Oldemar CARVALHO-JUNIOR1, Luis C.P. The Neotropical Otter lives in a variety of habitats but little is known of its ecology, distribution or population status in Guyana. Neotropical otters breed once per year. We hypothesized that (1) When scat and track detection Neotropical otters range from Uruguay north to Central America and Mexico. Since the 1990s, the southwestern stock of Alaskan sea otters has experienced a dramatic (up to 70% population) decline, most likely due to … Mitochondrial DNA diversity, genetic structure, and demographic history of the Neotropical Otter (Lontra longicaudis) in Mexico. Wild population numbers of both species are merely speculation, due to insufficient data collection and it is therefore vital to develop more otter workers to deliver the data. The Neotropical otter (Lontra longicaudis) is a medium-sized semiaquatic carnivore with a broad distribution in the Neotropical region. GUERRERO-FLORES, J. J., J. P. GALLO-REYNOSO, AND R. BIEK. Longicaudis in the Neotropical otter Lontra longicaudis in the Ibera Lake ( northern Argentina ) Brazil e-mail atendimento. Neotropical region the population size and density of Neotropical otters … Neotropical otter ( Lontra longicaudis ) a... Of aquatic environments 100,000 in the 1980s known about their population ecology in general, and BIEK! 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