Observer 158 Notes From The Field: A season in the Northeastern Corner of California. Renewable Energy vs. Wildlife. From the shores of the Meditteranean to the Shores of Central California. Mixed Signals from the Marine Ecosystem. From the California Current Marine Ecosystem into the Classroom. These and other stories from the field highlight this issue.

Observer 157 Science and Management in the Sierra Nevada (Summer): Building on a 13-year partnership with the U.S. Forest Service, PRBO is embarking on ambitious new bird monitoring and related research that can help improve habitat management.

Observer 156 Ecological Consequences of Climate Change (Spring): PRBO is working to detect the fingerprints of climate change in our long-term data and to model some future changes affecting birds and inform conservation planning.

Observer 155 Scientific Models for Conservation (Winter): To help provide new kinds of information needed today, PRBO scientists develop models that explain and predict relationships in natural systems.