Observer 162 The Water Issue (Fall)  Water is the lifeblood of California's landscape, supporting wildlife habitats, important bird populations, and people. Through partnerships with water managers, agricultural interests, and conservationists, PRBO works to preserve ecosystems and economic sustainability. 

Observer 161 Deepwater Horizon oil spill (Summer) Perspectives on a calamity by Dr. John Wiens, who has helped assess impacts of the Exxon Valdez spill over two decades, and Diana Humple, who assisted in the Gulf Coast response efforts.

Observer 160 PRBO Grad Students (Spring) Student scientists augment PRBO's capacities, while using our data sets and study sites in their doctoral or masters reearch. Plus: marine insights, migration mysteries, and more!

Observer 159 Extreme Weather  (Winter) With weather extremes becoming more extreme, as Earth's climate changes, natural systems and birds (as well as people) face big challenges. From San Francisco Bay to Antarctica, PRBO’s research has documented bird responses to extremes of weather and climate.