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The tails of otters were often made into items for men to wear. These included hats and belts. Even some types of mittens for children have been made from the fur of otters. [26] Otters have also been hunted using dogs, especially the otterhound. [27] From 1958 to 1963, the 11 otter hunts in England and Wales killed 1,065 otters between them.
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]
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 ...
Otters are social animals, and in the wild, live together in groups as big as 10 to 100 individuals. A popular animal exhibit at the zoo, people love to watch these aquatic mammals swim,
River Otters utilize and/or construct dens adjacent to permanent water and may make conspicuous mud-slides along the the banks of rivers, streams, and lakes where they belly-slide down into the water.
One 2013 study found that women with metal hip replacements were 29% more likely than men to experience implant failure, possibly due to anatomical differences and inadequate testing in women.
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.
The human brain. Differences in male and female brain size are relative to body size. [85] Early research into the differences between male and female brains showed that male brains are, on average, larger than female brains. This research was frequently cited to support the assertion that women are less intelligent than men.