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For most otters, fish is the staple of their diet. This is often supplemented by frogs, crayfish and crabs. [12] Some otters are experts at opening shellfish, and others will feed on available small mammals or birds. Prey-dependence leaves otters very vulnerable to prey depletion. Sea otters are hunters of clams, sea urchins and other shelled ...
Marine otters of southern Chile primarily feed on fish, while those in northern Chile mostly feed on crustaceans and mollusks. [9] The otters on Isla La Vieja, Peru presumably prey on a colony of Peruvian diving petrels regularly. [10] In January 2009, one was seen preying on magellanic flightless steamer duck chick in Puñihuil. [10]
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 sea otters eat while floating on their backs, using their forepaws to tear food apart and bring to their mouths. [64] [65] Marine otters mainly feed on crustaceans and fish. [66] Pinnipeds mostly feed on fish and cephalopods, followed by crustaceans and bivalves, and then zooplankton and warm-blooded prey (like sea birds).
The otter will also occasionally feed on mollusks and small mammals, as well as birds, large insects and fruits. [14] [15] In areas where fish and crustaceans are scarce, aquatic insects, such as dobsonfly larvae, can become its main prey. [16] This otter is known to occasionally attack fishnets for a source of prey, hindering fishing ...
Santa Cruz's sea otter, ... 841 had been been swimming, lolling and feeding solo. The pup's birth, which has yet to be officially confirmed by state and federal wildlife authorities, may explain ...
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 ...
Smooth-coated otters were observed to forage on river banks among tree trunks. [16] They feed mainly on fish including Trichogaster, climbing gourami and catfish. During the rice planting season, they also hunt rats in rice fields. Snakes, amphibians and insects constitute a small portion of their diet. [18]