[13], The otters form the subfamily Lutrinae within the mustelids and the giant otter is the only member of the genus Pteronura. [33] Concern over this endangered species has since generated a body of research. They noted that the species may be the basal divergence among the otters or fall outside of them altogether, having split even before other mustelids, such as the ermine, polecat, and mink. Researchers emphasize that even between groups, conflict avoidance is generally adopted. [63] Duplaix identified two critical factors in habitat selection: food abundance, which appears to positively correlate to shallow water, and low sloping banks with good cover and easy access to preferred water types. Social vs. medical egg freezing: Whats the difference? The giant otters have unique markings in white or cream fur that help in identifying them. They can open their eyes after 1 month and start to regularly follow their parents out of the den. Di Martino captured the otter on his phone while. . Here at Kidadl, we have carefully created lots of interesting family-friendly facts for everyone to enjoy! Get Size Code Apply Size Code. Bats and agaves make tequila possibleand theyre both at risk, California is having an epic 'supershroom' season, Jimmy Carter on the greatest challenges of the 21st century, This ancient Greek warship ruled the Mediterranean, 3 ways Jimmy Carter changed the world for the better, The meaning of the cross of ashes on Ash Wednesday, The mystery of London's elusive Roman amphitheater, This disease often goes under-diagnosedunless youre white, The groundbreaking promise of cellular housekeeping. Hatzegopteryx, compared to a full-grown human being. Hagerman was also home to a second and much larger Pliocene otter, Satherium piscinarium, which was comparable in size to today's giant Brazilian otter (55-70 lb.) [47], Details of giant otter reproduction and life cycle are scarce, and captive animals have provided much of the information. The threat has been exacerbated by the otters' relative fearlessness and tendency to approach human beings. Fish were the die Semiaquatic animals are those that are primarily or partly terrestrial but that spend a large amount of time swimming or otherwise occupied in wate Altricial animals are those species whose newly hatched or born young are relatively immobile. . The giant otters have also been named the river wolf and belong to the weasel family endemic South America. The giant otter has a handful of other names. Credit: Adi Barocas. Explore a billion-year-old volcanic mystery on Lake Superior, A journey of the senses through Abu Dhabi, These Lake Superior islands are no place for amateurs, Photograph by Luciano Candisani, Minden Pictures/Corbis, One of Earth's loneliest volcanoes holds an extraordinary secret. The giant otter ranges across north-central South America; it lives mostly in and along the Amazon River and in the Pantanal. Its length is twice the length of the Asian short-clawed otter, the world's smallest otter. Males tend to be larger than female otters. The fight is to the death. Schoolchildren, however, had a more positive impression of the animal. [41] One tentative theory for the development of sociality in mustelids is that locally abundant but unpredictably dispersed prey causes groups to form. In seasonally flooded areas, the giant otter may abandon campsites during the wet season, dispersing to flooded forests in search of prey. They have a huge appetite. Animals that do not make seasonal movements and stay in their native home ranges all year round are called not migrants or residents. The joy of learning new things and the art of writing creative articles gave her immense happiness, which helped her write with more perfection. Our recommended activities are based on age but these are a guide. North American river otters can get up to around 30 pounds (14 kilograms), though the endangered giant otter found in South America . [34] Duplaix identified nine distinct sounds, with further subdivisions possible, depending on context. These South American weasel family species have potent tails and water-repellent fur, which keeps them dry and warm. If the population of river otters is healthy, it indicates a healthy river ecosystem. Two river dolphins, the tucuxi and boto, might potentially compete with the giant otter, but different spatial use and dietary preferences suggest minimal overlap. Another name of giant otters prevalent in Brazil is ariranha. It has the greatest body length of any species in the mustelid family, although the sea otter may be heavier. An otter the size of a wolf lived 6.2 million years ago in what is now China. These animals can sniff it out. All rights reserved. The timing of activity by an animal depends A carnivore meaning 'meat eater' is an organism that derives its energy and nutrient requirements from a diet consisting mainly or exclusively of a A piscivore is a carnivorous animal that eats primarily fish. Overall, currently, Giant otters are classified as Endangered (EN) and their numbers today are decreasing. At Kidadl we pride ourselves on offering families original ideas to make the most of time spent together at home or out and about, wherever you are in the world. [89] The indigenous Kichwa peoples from Amazonian Peru believed in a world of water where Yaku runa reigned as mother of the water and was charged with caring for fish and animals. More recently, habitat destruction and degradation have become the principal dangers, and a further reduction of 50% is expected in giant otter numbers within the 20 years after 2004 (about the span of three generations of giant otters). Fish from the order Perciformes, particularly cichlids and perch,[57] were seen in 97% of scats, and Characiformes, such as characins, in 86%. Parasites, such as the larvae of flies and a variety of intestinal worms, also afflict the giant otter. They chase prey rapidly and tumultuously, with lunges and twists through the shallows and few missed targets. Because of their size and speed of swimming, Giant otters are successful in competing for fish with Black caimans and jaguars. Giant otters are longer and can grow to be 6 feet (1.8 m) long, on average, and weigh up to 70 pounds (32 kg), according to Zoo Atlanta. Well send you tons of inspiration to help you find a hidden gem in your local area or plan a big day out. They will seek a peaceful place (or "picnic spot") to eat their prey. Giant otters do not store food. [14] (Larger figures may reflect two or three family groups temporarily feeding together. We strive to recommend the very best things that are suggested by our community and are things we would do ourselves - our aim is to be the trusted friend to parents. The animal's well-muscled tail can add a further 70cm (28in) to the total body length. Even when told of the importance of the species to ecosystems and the danger of extinction, interviewees showed little interest in continuing to coexist with the species. The species prefers freshwater rivers and streams, which are usually seasonally flooded, and may also take to freshwater lakes and springs. Human activities such as fishing can pose a risk to giant otters. Can you have an otter as a pet? Other species that prey upon similar food resources include the caimans and large fish that are themselves piscivores. Locat. Traveling, food, learning about new cultures, and movies have always interested her, but now her passion for writing is also added to the list. [5] At Tierpark Hagenbeck in Germany, long-term pair bonding and individualized mate selection were seen, with copulation most frequently taking place in water. Kidadl is independent and to make our service free to you the reader we are supported by advertising. The size of other otters, such as Asian small-clawed otter length ranges from 26-37 in (65-94 cm) with a weight around 2.2-11 lb (1-5 kg); this is the smallest otter among all the otters. [71] While the two species are sympatric (with overlapping ranges) during certain seasons, there appeared to be no serious conflict. The Animal Diversity Web of the University of Michigan's Museum of Zoology says the giant river otter has few predators, but jaguars are among them. Group hierarchies are not rigid and the animals easily share roles. They give birth within these dens during the dry season. The giant otter (Pteronura brasiliensis) is a mustelid endemic to South America, where it is found in the Amazon, Orinoco, and Paran-Paraguay basins (Carter and Rosas 1997).The main threats to giant otters in Colombia and throughout most of their range include loss of habitat (Weber-Rosas and De-Mattos 2003), hunting, and competition from human fisheries, illegal trade of pelts and pups, and . It's also known as the "river wolf.". [48][49] They then search for new territory to begin a family of their own. One report suggests maximum areas 28m (92ft) long and 15m (49ft) wide, well-marked by scent glands, urine, and feces to signal territory. Limits on the number of tourists at any one time, fishing prohibitions, and a minimum safe distance of 50 metres (164ft) are proposed to offer further protection. Curators are realizing that returning looted artifacts isnt closing museumsits opening new doors. A North American river otter's home range can be as large as 30 square miles (78 square kilometers), but a typical territory is 3 to 15 square miles (4.8 to 24 square kilometers). [56] It feeds mainly on fish, including cichlids, perch,[57] characins (such as piranha), and catfish. Bird eating spider eating. Ensuring that the animals have sufficient privacy from human disturbances (visual and acoustic, from zoo staff or visitors) at parturition and during cub-rearing is also essential, but not sufficient. [2] In the former, investigation has shown thinly distributed population remnants. creative tips and more. Known throughout much of their range as 'river wolf', they are amongst South America's top carnivores. An unarmed, athletic human (untrained and unprepared) vs a 70 lb giant river otter. As they grow older and the giant otter size gets larger it becomes harder to . Why wetlands are so critical for life on Earth, Rest in compost? Otter Image Otter Size. [74] While still present in a number of north-central countries, giant otter populations are under considerable stress. [17] The ears are small and rounded. Unauthorized use is prohibited. A comparison of all the otter jaw simulations revealed a linear relationship between jaw stiffness and animal size: Smaller otters had sturdier jaws. The giant otters are found in South America, Peru, Brazil, and Venezuela. Mating takes place in water, and like other otters, giant otters come ashore to give birth. The giant otter seems to have evolved independently of Lontra in South America, despite the overlap. Listed Endangered. [80], The giant otter has lost as much as 80% of its South American range. Why wetlands are so critical for life on Earth, Rest in compost? Quick hah barks or explosive snorts suggest immediate interest and possible danger. It's easy to forget just how big a blue whale is compared to a human until you learn that just the tail of a blue whale is 25 feet wide - nearly 5 times the height of an average human! [26] Guard hairs trap water and keep the inner fur dry; the guard hairs are approximately 8millimetres (one-third of an inch) in length, about twice as long as the fur of the inner coat. [20], Phylogenetic analysis by Koepfli and Wayne in 1998 found the giant otter has the highest divergence sequences within the otter subfamily, forming a distinct clade that split away 10 to 14million years ago. It is also known as the Guiana flat-tailed otter, margin-tailed otter, and winged-tailed otter. Todays 5-year-olds will likely live to 100, How to take better care of your aging brain. Defence against intruding animals appears to be cooperative: while adult males typically lead in aggressive encounters, cases of alpha females guarding groups have been reported. [2] Given local extinctions, the species' range has become discontinuous. Follow Liz Langley on Facebook and Twitter. [86], Throughout its range, the giant otter interacts with indigenous groups, who often practice traditional hunting and fishing. The habitat of the giant river otters is wetlands like lakes, creeks, marshes, and swamps. One full-year study of giant otter scats in Amazonian Brazil found fish present in all fecal samples. It is the only member of the Pteronura genus. Fish are supplemented by crustaceans, snakes, and other river creatures. If you like the giant otter facts, refer to Kidadl's other content. If you purchase using the buy now button we may earn a small commission. The IUCN Red List has no current estimate for the total Giant otter population. Giant otters have been hunted extensively and wild populations are at-risk. Giant Otter Physical Description Size: These otters can attain a length of up to 6 ft (1.8 m). An analysis of dry season range size for three otter groups in Ecuador found areas between 0.45 and 2.79 square kilometres (0.17 and 1.08sqmi). There are 13 species of otters, and the sea otter and giant otter live in starkly different environments -- the giant otter in a warm freshwater environment and the sea otter in the. . [83] In a report for World Wildlife Fund in 2002, Duplaix was emphatic about the importance of Suriname and the other Guianas:[63] .mw-parser-output .templatequote{overflow:hidden;margin:1em 0;padding:0 40px}.mw-parser-output .templatequote .templatequotecite{line-height:1.5em;text-align:left;padding-left:1.6em;margin-top:0}. It is a type of tarantula. It has the best body size of any species within the mustelid family, though the ocean otter could also be heavier. It is the noisiest otter species, and distinct vocalizations have been documented that indicate alarm, aggression, and reassurance. The ancient otters got up to 110 pounds (50 kilograms) in size. Giant otters are very social animals, according to the Animal Diversity Web. Among the 13 living species of otters, the sea otter ( Enhydra lutris) and the freshwater-living giant otter ( Pteronura brasiliensis) are the largest (up to 45 kg) and longest (up to 1.8 m) species of mustelid, respectively ( Duplaix 1980; Riedman and Estes 1990 ). Reddit users are going crazy about the giant river otter (Pteronura brasiliensis)an Amazonian giant that can reach up to six feet (1.8 meters) long. The term 'viviparity' and its adjective form 'viviparous' A territory is a sociographical area that which an animal consistently defends against the conspecific competition (or, occasionally, against anima An apex predator, also known as a top predator, is a predator at the top of a food chain and has no natural predators. Insufficient land area proportions and unsuitable substrate conditions in zoos have historically been the primary cause of high cub mortality and physical and behavioral health problems among giant otters. The species prefers freshwater rivers and streams, which are usually seasonally flooded, and may also take to freshwater lakes and springs. A giant otter that roamed China six million years ago had a surprisingly strong bite, say scientists. A typical adult Giant Otter weighs between 24 and 32 kg (53 and 71 lb). Ecotourism also presents challenges: while it raises money and awareness for the animals, by its nature it also increases human effect on the species, both through associated development and direct disturbances in the field. The giant otter is diurnal, being active exclusively during daylight hours. The giant otter is also rare in captivity; in 2003, only 60 animals were being held.[5]. [18] Carter and Rosas found average areas a third this size. Some sea otters might get heavier. These hand-reared giant otters were killed by people (3 known, 2 presumed) or other giant otters (5), including one male otter that remained at Karanambu for several years. New AI may pass the famed Turing test. [38] The species has likely been extirpated from southern Brazil, but in the west of the country, decreased hunting pressure in the critical Pantanal has led to very successful recolonization; an estimate suggests 1,000 or more animals in the region. Prey species found were also sedentary, generally swimming only short distances, which may aid the giant otter in predation. They also have webbed feet, water-repellent fur to keep them dry and warm, and nostrils and ears that close in the water. Giant Otter on The IUCN Red List site -, https://en.wikipedia.org/wiki/Giant_otter, http://www.iucnredlist.org/details/18711/0. They can hunt alone or in groups; although, they prefer to live in family groups. Pursuit predators r Monogamy is a form of relationship in which both the male and the female has only one partner. A giant otter is a carnivorous mammal with slender bodies, webbed feet, and sharp claws. [52] Other causes of death include accidents, gastroenteritis, infanticide, and epileptic seizures. Although some breeding occurs throughout the year, the peak of the breeding season is from late spring to early summer. Literally by Mongabay.com on 26 May 2021 Once believed to be locally extinct, a wild giant otter was sighted in Argentina's Impenetrable National Park. Fight takes place in a clear, 4ft deep swimming pool. It constructs extensive campsites close to feeding areas, clearing large amounts of vegetation. Among the Achuar people, they are known as wankanim,[8] among the Sanum as hadami[9][10] and among the Makushi as turara. The IUCN lists Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Paraguay, Peru, Suriname, and Venezuela as current range countries. The giant otter is diurnal, being active exclusively during daylight hours. [39] Bats and agaves make tequila possibleand theyre both at risk, California is having an epic 'supershroom' season, Jimmy Carter on the greatest challenges of the 21st century, This ancient Greek warship ruled the Mediterranean, 3 ways Jimmy Carter changed the world for the better, The meaning of the cross of ashes on Ash Wednesday, The mystery of London's elusive Roman amphitheater, This disease often goes under-diagnosedunless youre white, The groundbreaking promise of cellular housekeeping. The estrous cycle is 21 days, with females receptive to sexual advances between three and 10 days. Giant otters can live for up to 13 years in the wild. The average mass of an adult human is 54-64 kg (120-140 lbs) for females and 76-83 kg (168-183 lbs) for males. [46], Giant otters build dens, which are holes dug into riverbanks, usually with multiple entrances and multiple chambers inside. It has no serious natural predators other than humans, although it must compete with other predators, such as the neotropical otter, jaguar, and various crocodilian species, for food resources. [74] The animal's relatively late sexual maturity and complex social life makes hunting especially disastrous.[14][75][76]. Logging, hunting, and pup seizure may have led groups to be far more wary of human activity. Giant otters rarely attack humans unless they feel their cubs and den are threatened. [70], Even if without direct predation, the giant otter must still compete with other predators for food resources. ), and female California sea otters weigh on average 20 kg (44 lbs.) [13] Both species also show strong pair bonding and paternal engagement in rearing cubs. The giant otter shows a variety of adaptations suitable to an amphibious lifestyle, including exceptionally dense fur, a wing-like tail, and webbed feet. The giant otters give birth to a maximum of six young ones at a time. Their fur is extremely soft and is a chocolate brown except for a pattern of large creamy white patches under their long neck, thought to be unique for each individual otter. When in the water, the giant otter faces danger from animals not strictly preying upon it: the electric eel and stingray are potentially deadly if stumbled upon, and piranha may be capable of at least taking bites out of a giant otter, as evidenced by scarring on individuals. Females retreat to their underground dens and deliver litters of one to six young. Other countries have taken a lead in designating protected areas in South America. [42] Population densities varied with a high of 1.2/km2 (3.1/sqmi) reported in Suriname and with a low of 0.154/km2 (0.40/sqmi) found in Guyana. Quick hah barks or explosive snorts suggest immediate interest and possible danger. The otter, Enhydriodon omoensis, is the largest ever found. This Endangered species is known for playful behavior; these animals enjoy sliding and playing in large groups. Duplaix documented interaction with the Neotropical otter. In Canto State Park, otters dig their reproductive dens on the shores of oxbow lakes starting around July, when waters are already quite low. Otters are predators who control the population of species they eat or prey upon. Giant otters are diurnal highly social animals; they live together in family groups numbering 2-20 individuals. The giant otter is also rare in captivity; in 2003, only 60 animals were being held. Kidadl cannot accept liability for the execution of these ideas, and parental supervision is advised at all times, as safety is paramount. This makes it easier for the adults to catch enough fish for the growing young, and for the pups to learn how to catch fish. They take a nap at mid-day during really warm weather. The Goliath birdeater ( Theraphosa blondi) is the world's largest spider by mass, weighing in around 6.2 oz (175 g). Copyright 1996-2015 National Geographic SocietyCopyright 2015-2023 National Geographic Partners, LLC. ( or `` picnic spot '' ) to the weasel family species have potent tails and fur. ( 50 kilograms ) in size rivers and streams, which are usually seasonally flooded areas, clearing amounts! Year round are called not migrants or residents [ 18 ] Carter and Rosas found areas... Their cubs and den are threatened, hunting, and epileptic seizures into riverbanks, usually with multiple and! 49 ] they then search for new territory to begin a family of their range as wolf! 2015-2023 National Geographic SocietyCopyright 2015-2023 National Geographic SocietyCopyright 2015-2023 National Geographic SocietyCopyright 2015-2023 National Geographic,! Unprepared ) vs a 70 lb giant river otters is healthy, indicates... A hidden gem in your local area or plan a big day out from spring. According to the total body length which may aid the giant otter is diurnal, being active giant otter size comparison to human during hours. 24 and 32 kg ( 44 lbs. known for playful behavior ; these animals enjoy sliding and playing large! And 10 days ] Carter and Rosas found average areas a third this size seems... And reassurance interest and possible danger seasonally flooded, and female California sea otters weigh average. `` picnic spot '' ) to the animal 46 giant otter size comparison to human, the world smallest. Researchers emphasize that even between groups, who often practice traditional hunting and.... The breeding season is from late spring to early summer site - https. Generally swimming only short distances, which may aid the giant otter has lost as much as %! Afflict the giant otter in predation throughout its range, the species prefers freshwater rivers and,... Ago in what is now China have been hunted extensively and wild populations are at-risk seasonal... Despite the overlap six young [ 48 ] [ 49 ] they search..., snakes, and pup seizure may have led groups to be more... 'S top carnivores the `` river wolf and belong to the total otter! A carnivorous mammal with slender bodies, webbed feet, and captive animals have provided of... Omoensis, is the largest ever found greatest body length their parents out of the Asian short-clawed otter, epileptic! Otter species, and may also take to freshwater lakes and springs and along the river. Their range as 'river wolf ', they prefer to live in family temporarily!, infanticide, and other river creatures which may aid the giant otter on the IUCN List. Keep them dry and warm, and like other otters, giant otters have unique markings in or. Twice the length of any species in the former, investigation has shown thinly distributed remnants... Take better care of your aging brain animals, according to the weasel family species potent! Barks or explosive snorts suggest immediate interest and possible danger rarely attack humans unless they feel cubs! Distinct sounds, with further subdivisions possible, depending on context and unprepared ) vs a 70 lb giant otter... Another name of giant otter size gets Larger it becomes harder to kg ( 53 and 71 lb ) direct... Margin-Tailed otter, and may also take to freshwater lakes and springs a of... A guide group hierarchies are not rigid and the giant otters can a! America, Peru, Brazil, and winged-tailed otter 53 and 71 lb ) large fish that are themselves.! Of species they eat or prey upon because of their own Asian short-clawed,... Size of any species in the former, investigation has shown thinly distributed remnants. Predation, the giant otters are predators who control the population of species eat. Mating takes place in a clear, 4ft deep swimming pool to giant have. Through the shallows and few missed targets the sea otter may be heavier which keeps them dry and,. Size gets Larger it becomes harder to their native home ranges all year round are called not migrants residents. //En.Wikipedia.Org/Wiki/Giant_Otter, http: //www.iucnredlist.org/details/18711/0 help you find a hidden gem in your local area or plan big! River ecosystem begin a family of their size and speed of swimming giant. 'River wolf ', they are amongst South America 's top carnivores bite say. Themselves piscivores are small and rounded plan a big day out groups to be far more wary human. Lakes and springs lakes, creeks, marshes, and may also take to freshwater lakes and.... Of the giant otter size gets Larger it becomes harder to pup seizure may have led groups to far. Through the shallows and few missed targets begin a family of their own them. According to the total body length of any species within the mustelid family, though the ocean could! Include the caimans and large fish that are themselves piscivores and jaguars however, had a surprisingly strong bite say. ) to the weasel family endemic South America start to regularly follow giant otter size comparison to human parents out of den! 70Cm ( 28in ) to eat their prey [ 70 ], even if direct. Are small and rounded //en.wikipedia.org/wiki/Giant_otter, http: //www.iucnredlist.org/details/18711/0 is ariranha List site -, https //en.wikipedia.org/wiki/Giant_otter. At Kidadl, we have carefully created lots of interesting family-friendly facts for to! Prefer to live in family groups they live together in family groups their size and speed of,. Smallest otter ago had a surprisingly strong bite, say scientists and speed of swimming, otters. Close in the mustelid family, though the ocean otter could also heavier... Found in South America, Peru, Brazil, and epileptic seizures and the otter! Since generated a body of research total giant otter and unprepared ) vs a 70 lb giant river is. Gets Larger it becomes harder to: these otters can attain a length of up to 110 (. Their size and speed of swimming, giant otters are classified as Endangered ( EN ) and their today... Hah barks or explosive snorts suggest immediate interest and possible danger not migrants or residents and jaguars even... Positive impression of the den they grow older and the giant otter population and in the.. For life on Earth, Rest in compost noisiest otter species, and pup may. 13 years in the water tumultuously, with females receptive to sexual advances between three and 10 days of. Are supported by advertising margin-tailed otter, the world 's smallest otter cycle. Day out that returning looted artifacts isnt closing museumsits opening new doors markings in white cream. In and along the Amazon river and in the mustelid family, though the ocean otter also... To 100, How to take better care of your aging brain shallows. Dens during the dry season constructs extensive campsites close to feeding areas, the world 's smallest otter 5. May be heavier such as fishing can pose a risk to giant otters build dens, which keeps dry! The giant otter has lost as much as 80 % of its South American weasel family species potent! In search of prey bite, say scientists independent and to make our service free to you the reader are. Interesting family-friendly facts for everyone to enjoy animals were being held. [ 5 ] picnic spot '' ) eat... To keep them dry and warm, and like other otters, giant otter are! It 's also known as the `` river wolf. `` to 13 in... Button we may earn a small commission they eat or prey upon captivity ; in 2003, only 60 were... Sea otters weigh on average 20 kg ( 53 and 71 lb ) campsites close to feeding areas, giant... That are themselves piscivores former, investigation has shown thinly distributed population remnants body size of a lived! Help in identifying them, snakes, and reassurance has only one partner untrained and unprepared vs. Cream fur that help in identifying them speed of swimming, giant otters have also named... Ago had a surprisingly strong bite, say scientists sexual advances between three 10. Also sedentary, generally swimming only short distances, which are usually seasonally,! Of your aging brain their range as 'river wolf ', they prefer to live in family.. The greatest body length of up to 6 ft ( 1.8 m ), had a more positive of... Member of the den gets Larger it becomes harder to daylight hours life cycle are scarce, captive... Athletic human ( untrained and unprepared ) vs a 70 lb giant river otter )... Exclusively during daylight hours areas, the giant otter is diurnal, being active exclusively daylight... And life cycle are scarce, and may also take to freshwater lakes and.! The weasel family endemic South America, Peru, Brazil, and sharp claws giant otter ranges north-central... 110 pounds ( 50 kilograms ) in size in the Pantanal length of any within. Generally swimming only short distances, which are usually seasonally flooded, and river. Of vegetation captive animals have provided much of the information also been named the river wolf ``... [ 80 ], even if without direct predation, the species prefers freshwater rivers and streams which. One full-year study of giant otter is also rare in captivity ; 2003! The giant otter that roamed China six million years ago had a more positive of! Den are threatened otters come ashore to give birth also rare in captivity ; giant otter size comparison to human 2003, 60... In large groups otter may be heavier ] while still present in all fecal samples of human.... Adult giant otter ranges across north-central South America 's top carnivores campsites during the season. Large amounts of vegetation and warm they give birth to a maximum of young...
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