Since bats are nocturnal animals, and have such amazing echolocation skills, their sense of sight isn't that important. Perhaps this is why the myth about their blindness arose. It also may have something to do with the fact that bats, the world's only flying mammals, have long been viewe...
The exact purpose of the tusk remains a topic of scientific dispute, but it might well function as a sense organ since it's loaded with sensitive nerve endings. Some researchers theorize that narwhals use the tusk to focus theirpotent echolocation powers, which theyuse to huntfish, shrimp and...
Echolocation is mainly found in toothed whales, such as dolphins and sperm whales, not their toothless cousins. The toothless-whale group -- which includes humpback whales, blue whales and many other species -- possess a unique feeding adaptation called a baleen. The baleen is a wide plate in...
Bats, who hunt at night, use echolocation to find their prey, too. First, the whale has to produce a sound. Toothed whales don't have anything exactly like our vocal cords, although they have similar structures. It's thought that they produce their sounds in their nasal passages [source:...
Based on this mechanism, hereditary traits that help organisms survive and reproduce become more common in a population over time. Such mechanisms of evolution work with the random variation generated by the mutation of the genetic code of organisms in the passage from one generation to the next....