Pertanyaan

Northern flying squirrels ( Glaucomys sabrinus ) and southern flying squirrels ( Glaucomys volans ) are the only two native flying squirrel species found in North America. They are both gray-brown, but the northern flying squirrel has belly fur that is gray at the base, and for the southern flying squirrel the belly fur is all white. Size is another way to tell northern and southern flying squirrels apart. The southern species is smaller, about 8 to 10 inches in length. Northern flying squirrels are 10 to 12 inches long. Flying squirrels might more appropriately be called “gliding squirrels” because they aren’t capable of true powered flight that a bird or a bat can do. Flying squirrels glide. They have a special membrane between their front and back legs that allows them to glide through the air between trees. When a flying squirrel wants to travel to another tree without touching the ground, it launches itself from a high branch and spreads out its limbs so the gliding membrane is exposed. It uses slight movements of the legs to steer, and the tail acts as a brake upon reaching its destination. Flying squirrels can cover more than 150 feet in a single glide. Flying squirrels are omnivores. They eat a variety of foods, including seeds, nuts, fungi, fruit, and insects. Southern flying squirrels are considered one of the most carnivorous squirrels because they supplement their diet with eggs, birds, and carrion. (Source: www.nwf.org. Accessed on February 6, 2020 ) What is the aim of the passage?