Tammy L. Wilson Leslie C. Skora 2026 <p>Monitoring wide-ranging wildlife populations is challenging. Surveys are time consuming, expensive, and observation conditions need to be just right. But confidently assessing the number of animals, and if their numbers are increasing or decreasing is important for park management and ecological understanding. This article describes survey methods and how they can be combined for the most accurate estimates.</p> application/pdf en National Park Service Connecting the dots: Using multiple datasets to monitor the brown bear population in Katmai National Park and Preserve article