Other otter species must watch out for birds of prey and crocodilians. They feed on crustaceans such as crabs and shrimp, as well as mollusks and fish. Rocks are typically used to break open crabs and shellfish, whereas sea urchins are crushed with the forefeet and teeth. The Asian Otter Network now intends to focus on: Most otter species are near threatened, vulnerable or endangered , according to International Union for Conservation of Nature's Otter Specialist Group.
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As of , they can be found in every English county, including some urban rivers. Negative Rice farmers complain about Asian clawless otters uprooting plants in the paddies. In , Conservation International team of researchers headed by Dr Annette Olsson, started a very ambitious otter survey in Cambodia in the freshwater habitats using track and signs surveys, camera trapping and interviewing people. In the past, this species was widely employed throughout its range by fishermen, with trained animals being highly valued. It is a gregarious species, living in groups of up to 20 individuals, and will attack potential predators such as caimans.
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Unfortunately, the fur is highly coveted, and otters have been hunted almost to extinction in many places. You can opt-out at any time. Otter live to around 12 years old in the wild, and longer in captivity. Due to trapping, water pollution and habitat degradation, the numbers of North American river otter had declined through most of their range by the early s. However, most range countries are not able to control the clandestine trade leading to extensive poaching. Giant otters are very social animals, according to the Animal Diversity Web.
Mason and Macdonald, ; Timmis, They live in freshwater wetlands and mangrove swamps in Southern Asia. In China the otter is trained to drive fish under a large net, which is then dropped and pulled in. Dinosaur, the common name given to a group of reptiles, often very large, that first appeared roughly…. It takes a tremendous amount of time, effort, patience, and experience to house them, provide them with enrichment, and keep them safe and secure. Workshop in Chitwan National Park, Nepal In March , a workshop was conducted in Nepal, at Chitwan National park, on the techniques of otter surveys and identification. Further progress and emphasis on otter awareness and research is envisaged in East Asia after the present otter colloquium.