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The Eurasian otter is the most widely distributed otter species, its range including parts of Asia and northern Africa, as well as being spread across Europe, south to Palestine. Though currently thought to be extinct in Liechtenstein and Switzerland , it is now common in Latvia , along the coast of Norway , in the western regions of Spain and ...
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.
The centre was the first place where giant otters were bred in captivity. [1] it also was involved with breeding programmes for Scottish wildcats, European polecats, and Eurasian otters. [3] It had more than 10 species of deer, four species of otter, and pine martens and Scottish wildcats. [2]
However, during the winter and in colder environments, fish consumption is significantly lower and the otters use other resources for their food supply. Their diets can consist of amphibians (mainly frogs and pond turtles), bird predation (mainly anserine species), small rodents , and invertebrates such as water beetles, snails, and crayfish.
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.
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The Eurasian otter and the smooth-coated otter [11] are carnivorous semiaquatic mammals located in the marshes and rivers whose diets consist of primarily fish, amphibians, crustaceans, insects and birds, but their populations have seen a decline since the 1970s. [12]
Spraint is the dung of the otter. [1]Eurasian otter spraint. Spraints are typically identified by smell and are known for their distinct odors, the smell of which has been described as ranging from freshly mown hay to putrefied fish. [2]