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Although commonly called a "river otter", the North American river otter is found in a wide variety of aquatic habitats, both freshwater and coastal marine, including lakes, rivers, inland wetlands, coastal shorelines, marshes, and estuaries.
Otters den on the edges of lakes, rivers or streams, or occasionally on islands or patches of high ground in marshes. Dens might be excavations under tree roots or rock piles, abandoned beaver, muskrat or woodchuck burrows, or unused beaver lodges.
The North American river otter (Lontra canadensis) is a semiaquatic mammal that lives along its waterways and coasts. It is the only river otter that is found north of Mexico. These animals live in burrows and like most predators, prey upon the most readily accessible species. They suffer greatly from habitat loss and are often captured for ...
8 Φεβ 2024 · The North American River Otter plays a vital ecological role in freshwater habitats across North America, contributing to the health and balance of aquatic ecosystems in various ways. As a top predator, river otters help regulate prey populations, including fish, amphibians, and invertebrates, thus preventing overpopulation of certain species ...
River otter dens are along the water in abandoned burrows or empty hollows. The dens have entrances underwater so they can be easily accessed from the water. Bobcats, alligators, coyotes, raptors, and other large predators will sometimes prey on North American river otters.
Their aquatic habitats can be both marine and fresh water: streams, rivers, lakes, ponds and marshes. They prefer unpolluted water with a minimal human disturbance. An extremely adaptable animal, otters tolerate hot and cold climates, as well as high elevations and lowland coastal waters.
28 Απρ 2024 · River otters live in dens, also known as holts. One of the most surprising river otter facts is that these otters don’t dig their own dens. River otters will either use a natural hollow or a burrow made by another animal.
