Both male and female becomes mature after two years of age. River otters live alone or in pairs. Sea otter populations in Alaska are now quite healthy. River otters, however, can hold their breath for up to 8 minutes. The North American river otter (Lontra canadensis), 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. ANCHORAGE, Alaska — An Alaska man rescued his family’s dog from an attack by river otters in a small lake at an Anchorage park, he said. It’s nice to have the neighbors visit. North american river otter. Coastal river otters in Alaska have smaller home ranges than otters in inland waterways because coastal areas provide an abundance of food. Population. PMID: 17347401 [Indexed for MEDLINE] ... Yukon River Lodge, 15 miles upriver of Ruby, Alaska. RANGE: River otters are found throughout Alaska except in the Aleutian Islands, off-shore islands of the Bering Sea and areas adjacent to the Arctic coast east of Point Lay. There are many places to see bears in Alaska, but if your goal is to make sure you see a bear -- and potentially lots of bears -- these are the best places (but note that, in most cases, you have to time your trip to salmon runs, when bears are present):. The increased time underwater improves otters’ opportunity to sense prey and forage for food. Secret places to explore are found at Yu. Scent Communication. Our wildlife cameras on Martha’s Vineyard have documented groups of 2 – 8 otters. River Otters Reproduction | River Otter Facts. Otter play mostly consists of wrestling with conspecifics. These Otters are large in size ranging from 40"-50" in length from nose to tip of tail. Male otters can be part of large groups (9 – 30) that hunt cooperatively, particularly in marine habitats. Effects of climate change on animal behavior and cascading ecosystem responses are rarely evaluated. Conversely, solitary otters, mainly females, feed on intertidal-demersal fish and display mutual … EXPERIENCE THE YUKON. Alaska has both river otters and sea otters. River otters are amphibious animals that are related to the weasel family; sea otters are their cousins, along with mink and wolverines. They have scent glands at the base of their tail, and they deposit their musky scent on their dung, which is called spraint. Population estimates made between 2004 and 2007 give a worldwide total of approximately 107,000 sea otters. Once containing more than half of the world’s sea otters, this population segment, which ranges from Kodiak Island through the western Aleutian Islands, has undergone an overall population decline of at least 55–67 percent since the mid-1980s. Photographer Eleanor Batchelder spotted this otter in the Ship Creek area. Hi, I have several male River Otters caught this year in the Prince William Sound of Alaska. Alaska Otters can weigh up to 100 pounds and be up to 5 feet in length. Photo by Jim Pfeiffenberger, National Park Service. The gestation period lasts for 61 – 63 days. 9. Sea otters are not related to seals or sea lions, but are rather a member of the mink family. River otters are polygynous. As little as 50% of the southwest stock remains since the 1980s, and the Aleutian Archipelago population decreased from ≈74,000 to 8,742 by 2000. A sea otter floats in the water outside Kenai Fjords National Park in Alaska. The sightless and nearly helpless young are usually born in the months of March and May. Latrines offer river otters a stinky “phone a friend” with their neighbors. It is estimated that there were between 100,000 and 150,000 sea otters in and around Alaska waters at the time of the Russian arrival in 1741. Researchers are now working to understand how otters use these latrine sites to communicate and build social groups. Sea otters are the ones that like to float on their backs, and river otters don't really do that. River Otters (Lontra canadensis) in Southcentral Alaska: Distribution, Relative Abundance, and Minimum Population Size . River otters are one of our favorite ani. Please let me know if anyone is interested. Coastal river otters in Alaska either form family groups or large groups of males, presumably in an effort to more efficiently capture pelagic fish (Blundell et al. Sea otters currently have stable populations in parts of the Russian east coast, Alaska, British Columbia, Washington, and California, with reports of recolonizations in Mexico and Japan. LIFE SPAN: Up to 10 in the wild, mid-20’s under human managed care. Contact: alaskaphotosource@live.com. When it comes to picking a good place to socialize, the bathroom probably isn’t high on your list. River otters use their scent to mark their territorial boundaries. Wild Alaska: River Otter Edition While Alaska's sea otters are far better known, and arguably cuter, our rivers have otters, too! Identifying exposure to T. gondii and L. interrogans in otters from Washington State but not in otters from Alaska suggests that living proximal to higher human density and its associated agricultural activities, domestic animals, and rodent populations could enhance river otter exposure to these pathogens. July 30, 2009 . Keep checking back for an ever expanding selection of image galleries. Brown Trout Pair of Brown Trout Otters are an essential keystone species. Kenny Brewer waded waist-deep into … For the males, much of their social life centers on a shared bathroom area. winter travel Yukon River. I have tubed them all out thus far. An adult North American river otter can weigh between 5.0 and 14 kg (11.0 and 30.9 lb). Alaska Photo Source (dba Donna Dewhurst Photography) specializes in Alaskan wildlife, landscapes, places to visit and outdoor activities. River otters are renowned for their sense of play. Alaska. We also sell stock photography through AccentAlaska.com. The otters were hunted to near-extinction, but a treaty signed in 1911 marked the end of their decline. Based on Coastal Latrine Site Surveys. I can skin them however desired. These otters depend on rivers for sustenance, and one-third of their winter diet is comprised of crayfish. Although northern sea otters are found along the coast of Alaska, Canada, and Washington and in the Aleutian Islands, only the southwest stock in Alaska has been decreasing (Figure 1, panel A). Historically, sea otters were nearly hunted to extinction, first by the Russians who forced the Aleut and Alutiiq people to hunt and later by the Americans after the Alaska purchase. The river otter is protected and insulated by a thick, water-repellent coat of fur. North American river otters live near permanent watersheds throughout North America, from Alaska and northern Canada south to the Gulf of Mexico. Final Report . And some of these otters are living in the Anchorage city limits! They usually breed in the months of December to April. For coastal river otters in southcentral Alaska, however, the bathroom is a major social hub.. Sea otter numbers have declined in southwestern Alaska over the past 20 years. A river otter has a strong neck and a jaw that is capable of cracking shells of crustaceans plus teeth for ripping meat. Typical habitats include lakes, rivers, marshes, and coastal shorelines. Fly In Alaskan Wilderness Lodge. Northern River Otters (Lontra canadensis) returning to the ice shelf with a silver salmon, Seward. The dog’s owner waded waist-deep into Taku Lake and was bitten on his hand while pulling the husky-mix away from the river otters, Alaska Public Media reported. River Otters live mostly in the Northern part of Alaska, but many thrive in the Southern parks established for their protection. River otters can be distinguished from their Sea Otter cousins by watching them in action. 2002), although some individuals of both sexes remained solitary (Blundell et al. 2004). River otters use openings in the ice, and will sometimes even break through beaver dams, to gain access to rivers and other waters. The Best Bear Viewing. River otters rely upon play to learn survival skills such as fighting and hunting. The otters deposit their … A group of river otters attacked and nearly drowned a dog at Taku Lake last Wednesday around 6 p.m. Kenny Brewer says he had his dog Ruby – a 50-pound Husky mix – on a leash when he noticed the otters swimming along the north side of the lake. Freeze up at Yukon River Lodge 2020. They can also slide across the ice to get where they need to go. 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