![]() Average age at sexual or reproductive maturity (male) 2 years.Average age at sexual or reproductive maturity (female) 2 years.Breeding season Breeding occurs in September and October.How often does reproduction occur? Moose breed once yearly.gonochoric/gonochoristic/dioecious (sexes separate).At that age females are at their reproductive peak and males have the largest antlers. Males and females are sexually mature at two years of age but full growth potential isn't reached until 4 or 5 years of age. Young lack the spots that are characteristic of most offspring in cervids. Females generally produce single young, although twins are common. Females give birth synchronously during late May and early June. There is an eight month gestation period. Mating takes place in September and October. Males may simply assess which is larger, and the smaller bull retreats, or they may engage in battles that can become violent. Rival males compete for access to females during the breeding season. These animals are found in the following types of habitatįemales attract males with their long, moaning vocalizations, which can be heard up to 3.2 km away.In summer moose seek shade and cool themselves in ponds and streams. They cannot tolerate temperatures that exceed 27 degrees Celsius for long. Moose are limited to cool regions because of their large bodies, inability to sweat, and the heat produced by fermentation in their gut. They are found in areas with snow cover up to 60 to 70 cm in depth during the winter, although deep, crusted snow makes them vulnerable to predation by wolves. Moose generally live in forested areas where there is snow cover in the winter, and prefer moist conditions where there are lakes, ponds, and swamps. They are generally found near streams or ponds where there are willows. They are found throughout Alaska, Canada, the northeastern United States and as far south as the Rocky Mountains in Colorado. Moose are found throughout North America in the moist, cold forests of the north. Moose have very long legs and a dewlap of skin on the throat. Moose are also distinguished by their long head with a long, flexible nose and upper lip. Individual hairs are 15 to 25 cm long and hollow, resulting in excellent insulation. Moose have thick, brown fur that ranges from light to almost black in color. ![]() Males weigh from 360 to 600 kg and females from 270 to 400 kg. Males range from 2.5 to 3.2 meters in total length, females from 2.4 to 3.1 meters. These are the largest antlers carried by any mammal, worldwide. Males are larger than females and possess elaborate, widened antlers that can measure up to 2 meters in total width, from tip to tip. The tail makes up about a third of their total length.Moose are the largest members of the deer family and one of the largest land mammals in North America. Their playful snow and mud sliding, tail chasing, water play, and snow burrowing activities also serve other purposes-they help strengthen social bonds and let young otters practice hunting techniques.Ī river otter can grow three to four feet (0.9 to 1.2 meters) long including its tail and weigh between 11 and 30 pounds (5 to 14 kilograms). On land a river otter can run at speeds of up to 15 miles (24 kilometers) an hour-they can slide even faster. Their fur is dark brown over much of the body, and lighter brown on the belly and face. They are very flexible and can make sharp, sudden turns that help them catch fish. North American river otters have long whiskers, which they use to detect prey in dark or cloudy water, and clawed feet for grasping onto slippery prey. They can stay underwater for as many as eight minutes. A long, strong tail helps propels the otter through the water. They have short legs, webbed feet for faster swimming, and a long, narrow body and flattened head for streamlined movement in the water. The mammals have thick, protective fur to help them keep warm while swimming in cold waters. The playful North American river otter is well adapted for semi-aquatic living.
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