A dipper, also known as a water ouzel, is a small aquatic bird found in fast-flowing streams and rivers. It has a stocky build with dark-colored plumage and a white chest. Dippers are skilled swimmers and divers, using their wings to propel themselves underwater in search of prey like small invertebrates and fish. They have adaptations like waterproof plumage and specialized nasal structures for breathing underwater. Dippers are territorial and known for their repetitive songs. They build nests near waterfalls, providing protection from predators and water spray. Overall, dippers are fascinating birds adapted to their unique watery habitats.