Landing Duck (IMAGE) Penn State Caption Pintails are one of 38 species of dabbling ducks, also known as puddle ducks. They frequent shallow waters such as flooded fields and marshes, and they feed by tipping up rather than diving. They float high in the water and are swift fliers. Credit . Greenslade-Delta Waterfowl Usage Restrictions non commercial use only License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.