regions and individual otters. Regardless of the frequency, the use of tools is present in the behavioral repertoire of sea otters and is performed when...

The sea otter (Enhydra lutris) is a marine mammal native to the coasts of the northern and eastern North Pacific Ocean. Adult sea otters typically weigh...

Kruuk H (2007). Otters: ecology, behavior and conservation. Oxford Biology. pp. 99–116. ISBN 978-0-19-856587-1. "Tool use in otters". OneKind. Archived...

observed engaging in tool use. A group of dolphins in Shark Bay uses sea sponges to protect their beaks while foraging. Sea otters will use rocks or other hard...

observed engaging in tool-use. A group of dolphins in Shark Bay uses sea sponges to protect their beaks while foraging. Sea otters will use rocks or other hard...

is oil spills. Unlike most other marine mammals, sea otters have very little subcutaneous fat. Otters rely primarily on their fur to be clean, dense, and...

pinnipeds (seals, sea lions and walruses), sirenians (manatees and dugongs), sea otters and polar bears. They are an informal group, unified only by their reliance...

have received air service. Twin Otters are also a staple of Antarctic transportation. Four Twin Otters are employed by the British Antarctic Survey on...

special features narration by Kermit the Frog, who tells the story of Emmet Otter and his widowed Ma, a poor family of otters who struggle to get Christmas...

populations of fish on which the otters depend. This may well be a far greater threat to otters than hunting. The Otter Trail is a hiking trail in South...

minks and river otters to the fully aquatic sea otter, which is one of the few nonprimate mammals known to use tools while foraging. It uses "anvil" stones...

heavier-shelled prey, otters will sometimes exhibit tool-use behavior, breaking open sea urchins and mussels with a false stone used as an anvil. Sea otters can also...

conservation efforts also focus on sea otters, various birds, and tunas. Seafood Watch, a sustainable seafood advisory list published by the aquarium beginning in...

animals. Their predators include sea otters, starfish, wolf eels, and triggerfish. Like all echinoderms, adult sea urchins have fivefold symmetry with...

Aleut women and children hostage" to force Aleut men to hunt foxes and sea otters so the Russians could have their pelts, and often additionally enslaved...

them toxic, harming animals like sea otters. Nuclear facilities too can pollute. The Irish Sea was contaminated by radioactive caesium-137 from the former...

shown to be capable of using tools. The definition of a tool has been debated. One proposed definition of tool use was defined by T. B. Jones and A. C....

able to use stone tools, such as the sea otter, which breaks abalone shells with them. Primates can both use and manufacture stone tools. This combination...

use varies widely depending on the species. For example, sea otters have been observed using a rock to break open snail shells, while primates and New...

a ship-based fur trade system, focused largely on acquiring furs of sea otters and other animals from the indigenous peoples of the Pacific Northwest...

in the Pacific Northwest. Natsilane uses wood from the trees to carve tools and a boat. In appreciation of Sea otter, Natsilane then tries to carve a new...

slalom track for the Sea Otter Classic. The Laguna Seca course had not been revamped since 2002. With hand tools and a crew of four using only native dirt...

pandas Family Mustelidae G. Fischer de Waldheim, 1817 – skunks, badgers, otters, and weasels Superfamily Feloidea G. Fischer de Waldheim, 1817 Family Viverridae...

M. "Some Key Factors in Breeding, Conservation, and Sociology of Otters IUCN Otter Spec." Group Bull 7 (1992): 2-4. Plaksa, S.A., Yarovenko, Y.A. & Gadzhiev...

of the sea otters’ primary food sources is the sea urchin. When hunters caused sea otter populations to decline, an ecological release of sea urchin populations...

sea anemones, other starfish species, tritons, crabs, fish, gulls and sea otters. Their first lines of defence are the saponins present in their body walls...

such as gaffing, snagging, clubbing and the use of specially trained animals such as cormorants and otters. There are also destructive fishing techniques...

including the local extinction of sea otters, bald eagles, and other species. For example, the decline in the local otter population led to the population...

Those used for hunting sea otters were red, attached loosely to the barb with a long red cord. The hunter would shoot and then chase the sea otter, which...

Union Air's de Havilland Canada DHC-3 Otters into a Turbine Otter and later purchased several more Turbine Otters. Kenmore Air acquired Lake Union Air...