Five captive juvenile giant otters pteronura brasiliensis from two facilities were diagnosed with nephrolithiasis. Conflict between fishermen and giant otters pteronura brasiliensis in western brazilian amazon. Wildscreen s arkive project was launched in 2003 and grew to become the worlds biggest encyclopaedia of life on earth. Mercury levels in tissues of giant otters pteronura. Crossspecies characterisation of polymorphic microsatellite. Even though the diet of giant otters is mainly based on fish, other prey such as crustaceans, mollusks. Exhibiting aquatic mammals brazilian giant otters pteronura brasiliensis at toledo zoo philip c. We resolve four distinct phylogroups, constituting conservation units. The giant otter or giant river otter pteronura brasiliensis is a south american carnivorous. Reproduction, behaviour and biology of the giant river otter pteronura brasiliensis at cali zoo g. Evolutionary history and identification of conservation. Giant otter, giant brazilian otter, giant river otter.
Page designed through the cooperative efforts of interagency itis teams. Cameratrap footage of giant otter pteronura brasiliensis taken in wlts partner guyra paraguays reserve. Aug 29, 2014 the giant otter pteronura brasiliensis is a south american carnivorous mammal. Pdf parental and alloparental care of giant otters. Pteronura brasiliensis history 1965 status inadequately knownsurvey required or data sought scott 1965 1982 vulnerable thornback and jenkins 1982 1986 vulnerable iucn conservation monitoring centre 1986. By continuing to use our website, you are agreeing to our use of cookies. The iucn otter specialist group estimates a total wild population of 1,000 to 5,000 individuals and an estimated decrease in population of 50% over the next 20 years. Atypical of mustelids, the giant otter is a social species, with family groups typically supporting three to eight members.
Handrearing and rehabilitation of orphaned wild giant. Mammal species of the world a taxonomic and geographic reference. The iucn red list of threatened species supports this effort as effectively as possible by providing reliable information on the status and trends of species, as well as the threats to them. Evolutionary history and identification of conservation units.
First record of jaguar predation on giant otter pteronura brasiliensis article pdf available in animal biology 651. This communication reports a partially reversible chemical immobilization protocol used for translocation and veterinary care in giant otter pteronura brasiliensis. All structured data from the file and property namespaces is available under the creative commons cc0 license. Reproduction, behaviour and biology of the giant river. You may do so in any reasonable manner, but not in. Hosted by the usgs core science analytics and synthesis. Vocal individuality in cohesion calls of giant otters. It is the largest aquatic carnivore in this region and the largest otter in the world. To find out more about the project or to donate to keepers of the wild please visit.
Pdf records of the giant otter, pteronura brasiliensis, from guyana. Conservation genetics of the giant otter pteronura. It is the longest member of the mustelidae, or weasel family, a globally successful group of predators, reaching up to 1. We sequence mitochondrial control region and cytochrome b genes. Botellosurveying and monitoring distribution and population trends of the giant otter pteronura brasiliensis. The giant otter is a south american carnivorous mammal. Mercury concentrations were analyzed from different organstissues of two animals found dead floating on the water of the rio negro in the pantanal, brazil.
Giant otter pteronura brasiliensis facts about animals. The giant otter pteronura brasiliensis is extinct throughout argentina. Read feeding ecology of the giant otter, pteronura brasiliensis, biotropica on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at. Body weightlength relationships in giant otters pteronura brasiliensis carnivora, mustelidae. Pteronura brasiliensis have a gestation period of 6570 days, after which a litter of 15 pups is born. International giant otter studbook husbandry and management. The giant otter pteronura brasiliensis is a carnivore native to south america that belongs to the mustelidae family. Ginklasipika han iucn an species komo nangangaratan subspecies. How to sex giant otter pteronura brasiliensis gmelin, 1788. Advances in the study of giant otter pteronura brasiliensis.
However, it is not a legal authority for statutory or regulatory purposes. The pliopleistocene origin of the phylogroups appears driven by changes in climate and drainage. The iucn otter specialist group estimates a total wild population of 1,000 to 5,000 individuals and an estimated decrease in population of 50% over the next 20 years taxonomy. An pteronura brasiliensis in nahilalakip ha genus nga pteronura, ngan familia nga mustelidae. In addition to the usual insects and snails, its diet also includes crabs, prawns, fish, and frogs. The vocal repertoire of adult and neonate giant otters. Pteronura brasiliensis zimmermann, 1780, the giant otter, is the largest freshwater otter.
Pdf distribution and population status of the giant. Giant otters, once targeted by the pelt trade to near extinction, are now legally protected and have made a comeback in some parts of their range. Found in south america, it inhabits slowmoving rivers and creeks and feeds predominantly on fish. Use the link below to access the full text pdf of this graduate work. This file is licensed under the creative commons attributionshare alike 3. Two species are marine, with the others living predominantly in fresh water. Pdf advances in the study of giant otter pteronura. The pups are taught to swim after 2 months and leave to fend for themselves after 23 years lailder 1995. Ginklasipika han iucn an species komo nangangaratan. Pdf records of the giant otter, pteronura brasiliensis. The giant otter or giant river otter pteronura brasiliensis is a south american carnivorous mammal.
Four neonate cubs of the giant otter pteronura brasiliensis were examined in order to determine a method to distinguish. Itis taxonomy is based on the latest scientific consensus available, and is provided as a general reference source for interested parties. Two family groups of ottersfive giant otters pteronura brasiliensis and four asian smallclawed otters. Mar 04, 2012 adult giant otters feeding on fish on the rio piquiri in the brazilian pantanal region. This video is being managed exclusively by newsflare. First record of jaguar predation on giant otter pteronura. Records of the giant otter, pteronura brasiliensis, from guyana. The giant otter pteronura brasiliensis can be found in the amazon and pantanal regions of south america. Pteronura brasiliensis gmelin, 1788 endangered pteronura brasiliensis gmelin, 1788 report on itis. The giant otter pteronura brasiliensis is a south american carnivorous mammal. Distribution and population status of the giant otter pteronura brasiliensis in bolivia. Pteronura brasiliensis proper noun edit a taxonomic species within the family mustelidae the giant otter, native to south america, that can be as much as 1.
Vocal individuality in cohesion calls of giant otters, pteronura brasiliensis. Pteronura brasiliensis paraguensis in mammal species of the world. Pickles rs1, groombridge jj, zambrana rojas vd, van damme p, gottelli d, kundu s, bodmer r, ariani cv, iyengar a, jordan wc. The distance between anal and genital openings in cubs is about. How to sex giant otter pteronura brasiliensis gmelin. View the article pdf and any associated supplements and figures for a period of 48 hours. Giant otters are very social and frequently vocalizing animals. Pdf advances in the study of giant otter pteronura brasiliensis.
Four neonate cubs of the giant otter pteronura brasiliensis were examined in order to determine a method to. This research reports the first data on mercury levels found in giant otters pteronura brasiliensis from south america. Over 10 million scientific documents at your fingertips. The giant otter pteronura brasiliensis is an endangered otter of amazonian lakes and. Feeding ecology of the giant otter, pteronura brasiliensis. Biology and conservation of giant otter pteronura brasiliensis pdf. Evolutionary history and identification of conservation units in the giant otter, pteronura brasiliensis. Reversible immobilization of giant otters pteronura. It is the largest otter and the longest of all mustelids, and it is one of the main carnivorous mammals in its range.
Between 19852002, 34 young, orphaned, wild, giant otters were brought to. With the help of over 7,000 of the worlds best wildlife filmmakers and photographers, conservationists and scientists, featured multimedia factfiles for more than 16,000 endangered species. Files are available under licenses specified on their description page. Characterization of the behavior and reproductive endocrinology of giant river otters pteronura brasiliensis in managed care lara c. Animals use vocalizations to exchange information about external events, their own physical or motivational state, or about individuality and social affiliation. Hunting, habitat alteration and dog attacks are mentioned as the main causes that led to. The animal kingdom, arranged according to its organization, serving as a foundation for the natural history of animals and an introduction to comparative anatomy vol. Feeding habits of giant otters pteronura brasiliensis scielo giant otter may eat up to 3kg of food mainly fish per day. Pteronura brasiliensis paraguensis schinz, 1821 report on itis. Nineteen microsatellite loci developed for the eurasian otter lutra lutra and 15 loci developed for the north american river otter lontra canadensis were tested for ease of amplification and degree of polymorphism on a set of 20 giant otter pteronura brasiliensis faecal samples from the bolivian amazon basin. Infant babbling can enhance the development of the full adult vocal repertoire by providing ample opportunity for practice. Cooperative problem solving in giant otters pteronura brasiliensis and asian smallclawed otters aonyx cinerea. Parental and alloparental care of giant otters pteronura brasiliensis carnivora, mustelidae in balbina hydroelectric lake, amazonas, brazil.
Territorial choruses of giant otter groups pteronura brasiliensis. The ecology and behavior of the giant otter pteronura brasiliensis, in suriname. Pteronura brasiliensis paranensis rengger, 1830 references. Read first record of jaguar predation on giant otter pteronura brasiliensis, animal biology on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. An pteronura brasiliensis in uska species han mammalia nga syahan ginhulagway ni gmelin hadton 1788. Conflict between fishermen and giant otters pteronura.
International giant otter studbook husbandry and management information and guidelines 2005 husbandry and management of the giant otter pteronura brasiliensis, 2nd edition updated december 2004 compiled and authored by. Unlimited viewing of the articlechapter pdf and any associated supplements and figures. Pdf on jan 1, 2011, leandro silveira and others published tagging giant otters pteronura brasiliensis carnivora, mustelidae for radiotelemetry studies. Handrearing and rehabilitation of orphaned wild giant otters.
Pteronura brasiliensis in mammal species of the world. Cub biometry, litter size and reproductive period of giant. Mercury levels in tissues of giant otters pteronura brasiliensis from. A giant otter eating a fish on the rio piquiri in the brazilian pantanal. Highlights in this paper we investigate the phylogeography of the endangered giant otter. Cooperative problem solving in giant otters pteronura brasiliensis. Poucas ariranhas pteronura brasiliensis foram medidas e pesadas com precisao, e seu comprimento e. Project of reintroduction of the giant otter proyecto ibera.
Ini nga species ginbahin ha masunod nga subspecies. The mothers give birth annually in underground dens near the shore. Exhibiting aquatic mammals brazilian giant otters pteronura. The groups are centered on a dominant breeding pair and are extremely cohesive and. Computed tomography ct confirmed the presence of nephrolithiasis in one individual. Serum analyte assays revealed renal compromise in affected individuals. Help pages, faqs, uniprotkb manual, documents, news archive and biocuration projects. Four neonate cubs of the giant otter pteronura brasiliensis were examined in order to determine a method to distinguish between the sexes.
Conservation genetics of the giant otter pteronura brasiliensis zimmerman, 1780 carnivora, mustelidae garcia, dm. From 19852003, 34 orphaned giant otters, pteronura brasiliensis, 22 males, 12 females were hand raised for eventual return to the wild at the karanambu cattle company limited ranch karanambu, on the rupununi river, guyana, south america. Characterization of the behavior and reproductive endocrinology of giant river otters pteronura brasiliensis in managed care. Cooperative problem solving in giant otters pteronura. Mar 18, 2014 a giant otter eating a fish on the rio piquiri in the brazilian pantanal. Demography of the giant otter pteronura brasiliensis in manu. These include information on pteronura brasiliensis on the upper. Cub biometry, litter size and reproductive period of giant oters pteronura brasiliensis at the balbina hydroelectric reservoir, amazonas, brazil according to the literature, giant otters produce one to six cubs at each gestation, with birth peaks occurring from the end of. We tested three hypotheses of amazonian diversification. Conflict between fishermen and giant otters pteronura brasiliensis in western brazilian.
327 179 1122 1332 210 1195 5 990 1178 649 999 1420 518 987 134 1085 1315 45 349 1305 1179 1238 133 1305 229 538 1155 1378 17 193 656 1302 663 665 359 1215 330 741