sea otter

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sea otter:

see otterotter,
name for a number of aquatic, carnivorous mammals of the weasel family, found on all continents except Australia. The common river otters of Eurasia and the Americas are species of the genus Lutra. The North American river otter, L.
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Sea Otter

 

(Enhydra lutris), Kamchatka beaver, a predaceous mammal of the family Mustelidae.

The cylindrical body of the sea otter is up to 1.5 m long and weighs up to 40 kg. The limbs, especially the forelegs, are short; the hind limbs look like flippers. The head is rounded with long vibrissae covering the nostrils and ears. The flat tail is about 35 cm long. The body is covered with thick, silky fur of a dark brown, sometimes almost black, color.

The sea otter was once widely distributed in the northern Pacific and along the coast of America from Alaska to California. It has now been almost wiped out by commercial hunting. In the USSR in 1920 there were a very few individuals left on Mednyi Island (Komandorskie Islands) and on the southern tip of Kamchatka (Lopatka Cape); despite conservation measures, the number grew only slowly. After 1945 the number of sea otters began to increase rapidly, and by 1970 there were approximately 1,000 on the Komandorskie and Kuril islands and the southern tip of Kamchatka. In America the number has also been increasing. The sea otter lives in the coastal zone of the ocean, near shores that have a large number of rocks above and below the water upon which the animals can rest. They move with difficulty on dry land, but in the water they are very agile, swimming and diving with ease. In the water they rest and eat their prey while lying on their backs. Their basic foods include sea urchins, mollusks, crabs, and fish. The sea otter is diurnal. Mating and the birth of offspring occur in various seasons. The gestation period is eight or nine months; usually one pup is born (rarely, two). The sea otter is a valuable fur animal; the fur is attractive, warm, and durable. In the USSR the commercial hunting of the animal is prohibited.

REFERENCES

Kalan. (Collection of articles.) Moscow, 1947.
Barabash-Nikiforov, I. I. Kalan: Morskaia vydra. Leningrad, 1968.
Mlekopitaiushchie Sovetskogo Soiuza, vol. 2, part 1. Moscow, 1967.

I. I. SOKOLOV

sea otter

[′sē ‚äd·ər]
(vertebrate zoology)
Enhydra lutris. A large marine otter found close to the shoreline in the North Pacific; these animals are diurnally active and live in herds.
References in periodicals archive ?
The anti-diarrheal activity of aqueous extract of Enhydra fluctuans has been reported [74]; the plant was used by the Oraon healers for intestinal disorders.
(40.) Endangered and Threatened Wildlife and Plants; Determination of Threatened Status for the Southwest Alaska Distinct Population Segment of the Northern Sea Otter (Enhydra lutris kenyoni), 70 Fed.
More than 90% frequency was estimated for the 9 taxa Alternanthera sessilis, Achyranthes aspera, Bauhinia variegata, Cassia alata, Cynodon dactylon, Lemna acquinoctialis Mikania indica, Mimosa pudica, and Trema orientalis, while Parthenium hysterophorus, Mallotus philippensis, Enhydra fluctuans, Echinochloa crusgalli, Commelina bengalensis, Bauhinia variegata, Crotalaria pallida, and the fern Ampelopteris prolifera either touched 90% or was very close to it.
En un primer ejercicio por organizar la taxonomia de las nutrias, Gray (1943) las dividio en funcion a dos categorias morfologicas: una agregaba a los generos Enhydra y Pteronura, y la segunda a Latax, Aonyx, Lutra y Lontra, este ultimo un nuevo genero nunca aplicado hasta la propuesta de van Zyll de Jong (1972).
Meanwhile, ETL Talend Open Studio (TOS), Kettle ETL and Enhydra Octopus are examples of DW projects designed specifically for data integration and migration purposes.
Para el Humedal de Santa Rosa se encontraron igualmente tres comunidades (Figura 2b): Una comunidad de acuaticas flotantes dominada por Pistia stratiotes, que ocupa la mayor cantidad de los cuerpos de agua con cobertura entre 66% y 100% y dominancia alta (D=0.87-1); un totoral dominado por Typha domingensis con acuaticas asociadas como Eichhornia crassipes y Enhydra sessilifolia, esta comunidad presenta dominancia media (D=0.5-0.79) y coberturas que alcanzan hasta el 100%.
(5) kSOAP is the product of an open source project, Enhydra, led by Stefan Haustein
In fact, these sharks show preference for northern elephant seals (Mirounga angustirostris) and harbor seals (Phoca vitulina) over sea lions (family Otariidae) and sea otters (Enhydra lutris), for pinniped pups over adults, and for baleen whale blubber over muscle.
Feeding behavior and major prey species of the sea otter, Enhydra lutris, in Montague Strait, Prince William Sound, Alaska.
Sea otters (Enhydra lutris), for example, are carnivores in giant kelp forests of the northeast Pacific Ocean.
pyrenaica); entre poblaciones de la nutria Enhydra lutris ([pi]=0.00004-0.0041); para poblaciones de liebre europea (Lepus europaeus), [pi]=0.01 (Hartl et al.