Bureau of Labor Statistics. According to the U.S. Bureau of Labor Statistics (BLS), all truck drivers earned a median hourly wage of $18.61 in 2013; that same year, they earned a median annual salary of $38,700.Truck companies or construction companies most often employ dump truck drivers.ureau of Labor Statistics. According to the U.S. Bureau of Labor Statistics (BLS), all truck drivers earned a median hourly wage of $18.61 in 2013; that same year, they earned a median annual salary of $38,700.
Range. River otters can be found in streams, lakes, reservoirs, wetlands and along marine coasts in all states and territories of the United States and Canada. River otters are being reintroduced in the Rocky Mountain region to counter the population decrease in the 1800s.
There are also other types of otters, such as the river otter, but sea otters are distinctly different from other otters. They are adapted to living their entire lives in the water, whereas other otters live on land and merely hunt in water.Unlike other marine mammals, such as seals and dolphins, sea otters do not rely on a layer of fat to insulate their bodies from the cold water. Instead, they have a thick fur which keeps them warm.Adult sea otters average about 1.3 meters (4 feet) in length and about 20-45 kilograms (45-100 pounds) in weight.n fact, sea otters help create kelp beds, by eating urchins and other kelp-eating animals. Otters are usually found congregated together into groups called rafts. Male otters form separate rafts from female otters. Not all otters live in rafts.