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The average weight for adult sea otters that are in more densely populated areas, at 28.3 kg (62 lb) in males and 21.1 kg (47 lb) in females, was considerably lighter than the average weight of otters in more sparse populations, at 39.3 kg (87 lb) in males and 25.2 kg (56 lb) in females [5] Presumably less populous otters are more able to ...
An otter's den is called a holt, or couch. Male otters are called dogs or boars; females are called bitches or sows; and their offspring are called pups or cubs. [6] [7] The collective nouns for otters are bevy, family, lodge, romp (being descriptive of their often playful nature), or, when in water, raft. [8] [9]
Molars are large and flat, used for crushing of prey. Male otters are slightly larger than females on average. Adults are 113–163 cm (44–64 in) in length, including their tails that comprised about a third of their length. Weights range from 10–36 kg (22–79 lb), with most otters averaging between 12 and 21 kg (26 and 46 lb).
Large male North American river otters can exceed a weight of 15 kilograms (33 lb). [20] It differs from the Eurasian otter by its longer neck, narrower visage, the smaller space between the ears and its shorter tail. [21] Males and female river otters show different non-sexual physical characteristics, [22] with males typically being larger. [16]
Playful South Carolina river otters love to slide, eat and make a mess. They may also be a threat to pets and even young family members. Cute, playful & a potential threat.
Sthenictis sp. (American Museum of Natural History). Mustelids vary greatly in size and behaviour. The smaller variants of the least weasel can be under 20 cm (8 in) in length, while the giant otter of Amazonian South America can measure up to 1.7 m (5 ft 7 in) and sea otters can exceed 45 kg (99 lb) in weight.
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The giant otter has a handful of other names. In Brazil it is known as ariranha, from the Tupi word arerãîa, or onça-d'água, meaning water jaguar. [6] In Spanish, river wolf (Spanish: lobo de río) and water dog (Spanish: perro de agua) are used occasionally (though the latter also refers to several different animals) and may have been more common in the reports of explorers in the 19th ...