Short-billed dowitchers (Limnodromus griseus) (IMAGE) Faculty of Sciences of the University of Lisbon Caption On the image, short-billed dowitchers (Limnodromus griseus). Over a half of all shorebird populations - sandpipers, plovers, avocets, oystercatchers, among others - are currently declining, according to scientific publications and reports of several Environmental NGOs, such as BirdLife International. Credit Paul F. Donald. Usage Restrictions Attribution is required. License Original 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.