It has a wide, rounded head with small ears and long, white whiskers. Emma Lynch Reasons for success River otters can be found in streams, lakes and wetlands along marine coasts in all They … After one month, the pup can leave the holt and after two … Here are a few features of the Otter life cycle. All river otters are designed for semi-aquatic life. Bioexpedition Publishing … Most river otter species are in danger because of their need for a specific habitat. Karcher Bernard Investments Inc. Investment Management Investments Investment Advisory Service. [8] Females usually do not reproduce until two years of age, although yearlings produce offspring on occasion. They breed in March-April and birth in late winter/early spring, about a year later. They weigh about 5 ounces and don’t open their eyes until they are 4 weeks old. If there Otters habitat is thriving with enough room for them and plenty of food then they may mate more than once in a give season. Whelps are fully weaned by 3 months or 4 months. When … They can thrive in any water habitat, such as ponds, marshes, lakes, rivers, and estuaries—in cold, warm, or even high-elevation areas—as long as the habitat provides adequate food. LIFE CYCLE Otter pups weigh about 4.5 ounces (128 g) when born. Top Answer. River otters were extirpated from Colorado and Nebraska, nearly extirpated from South Dakota and Kansas, and severely reduced in Wyoming. Photos by Lydia Young. River otters generally live alone or in small social groups. The gestation period in otters is about 60 to 86 days. Fun Facts - Otters have valves or flaps of skin that cover the nostrils and ears to keep water out when underwater. Life Cycle. Sea otters inhabit the shorelines that span across Alaska and Japan. Reproduction and Life Cycle Males and female river otters usually become sexually mature at two years and typically breed from December to April. River Otters breed in the winter or early spring. River otters, like other social animals, have to carefully weigh the costs and benefits of hanging out in large groups. Life Cycle Enimies Fun Facts Introduction: Otters are part of the Mammal family and live in groups. Although river otters tend to move along waterways, they may travel overland to reach a different watershed. The female Otter gives birth to live pups and take care of them until they are 6 months old. Asian small-clawed otters have a 24- to 30-day estrous cycle, with three days of estrus. Top carnivores at Island ponds, otters eat small fish After mating, a delay of 290 - 380 days occurs before the actual development of embryos begins. River otters can run fast on land and stand upright on their hind feet using their tail for balance. Predators: The river otter has few natural predators because of its strength, sharp teeth, aggressiveness when attacked, and aquatic habits. See more ideas about otters, sea otter, otter love. The life cycle and habitat of the sea otter are just as fascinating as the mammal itself. border: none !important; The tail comprises less than a third of the body length. Pups start diving within two months. 9194 Otter River Cir. Reproduction and Life Cycle Males and female river otters usually become sexually mature at two years and typically breed from December to April. Grooming is a frequent … They live in wet … Reproduction and Life Cycle Males and female river otters usually become sexually mature at two years and typically breed from December to April. River otters generally live along rivers, as their name implies, but they're also found near streams and lakes.Otters prefer water bordered by woods and with wetlands, such as marshes, nearby. Facts is that these otters don ’ t implant in the water in abandoned burrows or empty.... 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