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Sleep can follow a physiological or behavioral definition. In the physiological sense, sleep is a state characterized by reversible unconsciousness, special brainwave patterns, sporadic eye movement, loss of muscle tone (possibly with some exceptions; see below regarding the sleep of birds and of aquatic mammals), and a compensatory increase following deprivation of the state, this last known ...
Otters usually bask in the sun or can return undercover to sleep. [1] Walking on land is awkward for Cape clawless otters so they are observed to either walk slowly or do a seal-like trot. The tail can either be carried off the ground with its tip curving upwards, or dragged on the ground leaving a distinct trail. [1]
KUOW shared what Michelle Wainstein, a wildlife biologist who studies the droppings of otters along the Green and Duwamish Rivers had to say about the dance, "We have wonderful footage of what we ...
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 ...
One man and his dogs trying to protect roaming otters and the ponds they increasingly hunt for food.
Molars are large and flat, used for crushing of prey. Male otters are slightly larger than females on average. Adults are 113–163 cm (44–64 in) in length, including their tails that comprised about a third of their length. Weights range from 10–36 kg (22–79 lb), with most otters averaging between 12 and 21 kg (26 and 46 lb).
"The otters eating the crabs benefited the eel grass, which contributed to better water quality” which helped the otters, said Rikke Jeppesen, an estuarine ecologist with the Elkhorn Slough ...
The average weight for adult sea otters that are in more densely populated areas, at 28.3 kg (62 lb) in males and 21.1 kg (47 lb) in females, was considerably lighter than the average weight of otters in more sparse populations, at 39.3 kg (87 lb) in males and 25.2 kg (56 lb) in females [5] Presumably less populous otters are more able to ...