River Otter Food Chain. Producer, primary consumer, secondary consumer, and tertiary consumer. A river otter’s average lifespan in the wild is eight to nine years and they can be anywhere from 10 to 30 pounds.
A large male may consume as much as 11 kg (25 lb.) of food daily. There are 4 trophic levels: River otters chew their food well, leaving very little waste.
Meaning, It Eats Other Animals But Has Few.
They generally forage in the water, but they can also hunt on land. Sometimes river otters will travel between 10 and 18 miles (16 and 29 km) in search of food. Trophic levels represent where an organism stands in the food chain.
River Otters Can Hold Their Breath For Up To Eight Minutes, Plenty Of Time To Find And Catch Something Good To Eat.
The eurasian otter’s main diet is made up of fish (fish accounts for 80% of its food). When it comes to river otters and hunting, ease is the name of the game. River otter (lutra canadensis) description.
The River Otter’s Feet Are Wide And Webbed Which Makes It.
Their tails can add another foot or two in body length! There are 4 trophic levels: If i wish to see any part of the world or any person living, i need only express the wish and it is shown in the picture.
Despite The Lack Of Predators, River Otters Are Still Affected By Habitat Loss And Pollution And Previously Affected By The Fur Trade.
They are found at the top of the food chain, and there is some evidence that their birth rates are reduced when pollution levels—including toxic chemicals, heavy metals, pesticides and agricultural wastes—build up. River otters line their dens with leaves, moss, and grass. A river otter’s average lifespan in the wild is eight to nine years and they can be anywhere from 10 to 30 pounds.
Diet Of The River Otter.
Slow moving, easy to catch fish are their favorite prey. They eat mostly aquatic organisms such as frogs, fish, turtles, insects, and some small mammals. That’s why an otter is a consumer.