Biodiversity and Scale (IMAGE) Yale University Caption Insectivorous birds such as this prairie warbler (Setophaga discolor) showed the most drastic declines across all geographic scales, from local to continental. Credit Julie Hart Usage Restrictions None 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.