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Several otter species live in cold waters and have high metabolic rates to help keep them warm. Eurasian otters must eat 15% of their body weight each day, and sea otters 20 to 25%, depending on the temperature. In water as warm as 10 °C (50 °F), an otter needs to catch 100 g (3.5 oz) of fish per hour to survive.
The North American river otter (Lontra canadensis), also known as the northern river otter and river otter, is a semiaquatic mammal that lives only on the North American continent throughout most of Canada, along the coasts of the United States and its inland waterways. An adult North American river otter can weigh between 5.0 and 14 kg (11.0 ...
The sea otter propels itself underwater by moving the rear end of its body, including its tail and hind feet, up and down, [38] and is capable of speeds of up to 9 kilometres per hour (5.6 mph). [6] When underwater, its body is long and streamlined, with the short forelimbs pressed closely against the chest. [46]
The Erie Zoo on Tuesday unveiled a newly updated otter exhibit which gives otters Mimi and Max three times the space with new amenities. Erie Zoo otters get larger, updated space. How much did it ...
Santa Cruz's sea otter, 841, has given birth to a wee pup — suggesting that her erratic behavior could have been hormonally driven. After terrorizing surfers, California's angriest otter finds ...
Otters at the Oregon Zoo. You can see these little guys shoot hoops in real life if you pay a visit to the Oregon Zoo. They currently have several different kinds of otters in exhibit; North ...
[17] [18]: 250 Manatees generally glide at speeds of 8 kilometres per hour (5 mph), but can reach speeds of 24 kilometres per hour (15 mph) in short bursts. [72] The body is fusiform to reduce drag in the water. Like cetaceans, the hind limbs are internal and vestigial. The snout is angled downwards to aid in bottom-feeding. [73]
The smooth-coated otter is a relatively large otter species, weighing from 7–11 kg (15–24 lb) and measuring around 59–64 cm (23–25 in) in head-body length with a 37–43 cm (15–17 in) long tail.