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The Eurasian otter declined across its range in the second half of the 20th century [28] primarily due to pollution from polychlorinated biphenyls and pesticides such as organochlorine. Other threats included habitat loss and hunting, both legal and illegal. [29] Eurasian otter populations are now recovering in many parts of Europe.
Most have sharp claws on their feet and all except the sea otter have long, muscular tails. The 13 species range in adult size from 0.6 to 1.8 m (2.0 to 5.9 ft) in length and 1 to 45 kg (2.2 to 99.2 lb) in weight. The Asian small-clawed otter is the smallest otter species and the giant otter and sea otter are the largest.
Population sizes are largely unknown, though two species, the sea mink and Japanese otter, were hunted to extinction in 1894 and 1979, respectively, and several other species are endangered. Some species have been domesticated, e.g. the ferret and some populations of the South American tayra. Mustelidae is one of the oldest families in ...
The southern sea otter was listed under the Endangered Species Act as a threatened subspecies in 1977. A survey taken in the spring of 2007 counted a little over 3,000 sea otters in California, up slightly from previous years but down from an estimated pre-fur trade population of 16,000. [40]
The California condor is a critically endangered species, with only 350 left “and a significant piece of that population lives in ground zero of where these fires have happened,” Corwin noted.
Southern sea otters along the West coast were hunted almost to extinction for their thick, soft fur, only gaining protection in 1913 when California declared them a "fully protected mammal." Even ...
Genus Lutra – Brisson, 1762 – two species Common name Scientific name and subspecies Range Size and ecology IUCN status and estimated population Eurasian otter Lutra lutra (Linnaeus, 1758) coasts of Europe, many parts of Asia, and parts of northern Africa: Size: Habitat: Diet: NT Hairy-nosed otter Lutra sumatrana (Gray, 1865) Southeast Asia ...
California’s eco-bureaucrats halted a wildfire prevention project near the Pacific Palisades to protect an endangered shrub. It’s just the latest clash between fire safety and conservation in ...