otter
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classification
Mammals, Carnivora, Mustelidae, Genus Lutra (e.g., Lutra canadensis for North American River Otter)
habitat
Otters are semi-aquatic animals found in a variety of habitats, including rivers, lakes, marshes, and coastal areas. They prefer environments with plenty of water and abundant food sources, such as fish and crustaceans.
body length
Otters vary in size depending on the species. For example, the North American River Otter can grow to about 50-100 cm (20-39 inches) in body length, including the tail.
body weight
Adult otters can weigh between 5 to 30 kg (11 to 66 lbs) depending on the species. For instance, the North American River Otter typically weighs around 5 to 14 kg (11 to 31 lbs).
lifespan
In the wild, otters typically live around 8 to 12 years, although some can live longer. In captivity, they may live up to 20 years due to better care and absence of predators.
food habit
Otters are carnivorous and primarily eat fish, but they also consume crustaceans, amphibians, and small mammals. They are known for their playful hunting techniques and ability to dive underwater.
habit
Otters are social animals that often live in groups called rafts. They are playful, spending time sliding down mud or snow banks, and are known for their agility in water.
natural enemy
Otters face threats from larger predators such as alligators, coyotes, and eagles. Human activities such as habitat destruction and pollution also pose significant risks to their populations.
bits of knowledge
Otters have a unique adaptation of having a pocket under their forearms to store food. They are also known for their thick fur, which keeps them warm in cold water, and their ability to close their ears and nostrils while diving.