Observer 153 Conservation in the 21st Century (Summer): John Wiens, PhD, PRBO's new Chief Conservation Science Officer, surveys the changing conservation landscape and discusses PRBO's current and future contributions.

Observer 152 Public-Private Partnerships for Conservation (Spring): On private lands throughout the Central Valley, PRBO monitors birds to help ensure conservation success. We contribute to vital partnerships involving private-land managers, federal and state agencies, and non-governmental organizations.

Observer 151 The Science of Oil Spill Response (Winter): The Cosco Busan oil spill in San Francisco Bay, in November 2007, prompted a wildlife response in which PRBO plays a lead scientific role. Our oil spill expertise has developed over 35 years of investigating the large-scale impacts on bird populations.