Bats are the only mammals that can fly. Other mammals glide a short distance from tree to tree, but bats can fly continuously. Bats are not blind, but need help to fly and find food in the dark. They make a noise that humans cannot hear and listen for the sound (an echo) to bounce back. This is called echolocation. Bats can tell how far away and how large …show more content…
A semiaquatic animal lives on land and water. Their big appetites for tree and plant roots are causing marsh erosion and destruction. A marsh is a low area of land that stays wet. Other creatures like crabs, snails, turtles and dragonflies live in marshes. When plants and roots are removed, the marsh and all the animals that live there die. The nutria is not endangered or threatened, and considered an invasive animal in some areas of the southern United States. Invasive animals are large groups of animals that have spread out and destroy their own habitats. Are humans