what is the second type of signals?
It is done with feces, urine, and possibly anal sac secretions. Musk from the scent glands may also be secreted when they are frightened or angry.
North American river otter
The North American river otter scent-marks with feces, urine, and possibly anal sac secretions. Musk from the scent glands may also be secreted when otters are frightened or angry.
where do river otters go in the winter During winter, the North American river otters heavily use openings in the ice, and may excavate passages in beaver dams for accessing open water. what are these creatures? The North American river otter also known as the northern river otter or common otter, is a semiaquatic mammal endemic to the North American continent found in and along its waterways and coasts. how is their temperament? are active year-round, and are most active at night and during crepuscular hours. They become much more nocturnal in the spring. what do they feed on? They eat aquatic and semiaquatic animals. what are the second type ? They refer to various types of animals that spend part of their time in water, or plants that naturally grow partially submerged in water. any particular examples? UNANSWERABLE do such plants exist as well? UNANSWERABLE is the original animal under any threat of extinction? Yes, trapping, loss or degradation of aquatic habitats through filling of wetlands, and development of coal, oil, gas, tanning, timber, and other industries, result in decline in the count of these species. what steps have been taken to protect them? Reintroduction projects. improvements in natural resource management techniques have emerged and many wildlife management agencies have developed strategies to restore or enhance the population of these species. how do they communicate with each other? Communication is accomplished mainly by olfactory and auditory signals. Scent marking is imperative for intergroup communication.
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North American river otter [SEP] Communication
Communication among North American river otters is accomplished mainly by olfactory and auditory signals. Scent marking is imperative for intergroup communication. The North American river otter scent-marks with feces, urine, and possibly anal sac secretions. Musk from the scent glands may also be secreted when otters are frightened or angry. North American river otters can produce a snarling growl or hissing bark when bothered, and a shrill whistle when in pain. When at play or traveling, they sometimes give off low, purring grunts. The alarm call, given when shocked or distressed by potential danger, is an explosive snort, made by expelling air through the nostrils.