ARTICLES

Spatial and Temporal Patterns of Waterbird Assemblages in Fragmented Wetlands of Southern Brazil. Demétrio Luis Guadagnin, Ângela Schmitz Peter, Luis Fernando Carvalho Perello, and Leonardo Maltchik, pages 261–272.

Sex Ratio and Early Growth Patterns of Roseate Tern Chicks during Five Breeding Seasons at Falkner Island, Connecticut, USA. Patricia Szczys, Jeffrey A. Spendelow, and Ian C. T. Nisbet, pages 273–279.

Foraging Ecology of Caspian Terns in the Columbia River Estuary, USA. Donald E. Lyons, Daniel D. Roby, and Ken Collis, pages 280–291.

Temperature and Predation Effects on Abundance and Distribution of Lesser Snow Geese in the Sagavanirktok River Delta, Alaska. Stephen R. Johnson and Lynn E. Noel, pages 292–300.

Migration Strategies of the Great Cormorant Wintering Inland in Spain. Ismael Galván, pages 301–307.

Breeding Season Status of the American Oystercatcher in Virginia, USA. Alexandra L. Wilke, Bryan D. Watts, Barry R. Truitt, and Ruth Boettcher, pages 308–315.

Social Influences on Tundra Swan Activities During Migration. Shannon S. Badzinski, pages 316–325.

Commensal Association of Waterfowl with Feeding Swans. Hans Källander, pages 326–330.

Are Mute Swans with Elevated Blood Lead Levels More Likely to Collide with Overhead Power Lines?. Andrew Kelly and Sinéad Kelly, pages 331–334.

Gadwall Biology in a Hypersaline Environment: Is High Productivity Offset by Postbreeding Mortality?. Joseph R. Jehl Jr., pages 335–343.

Response of Wintering Steller’s Eiders to Herring Spawn. Ramnas Žydelis and Daniel Esler, pages 344–350.

Annual Building-up of Great Crested Grebe Colonies: An Example from the Dutch IJsselmeer. André Konter, pages 351–358.

Seasonal and Regional Variation in the Diet of the Kelp Gull in Northern Chile. Katrin Ludynia, Stefan Garthe, and Guillermo Luna-Jorquera, pages 359–365.

Abundance and Consumption of Fish by California Gulls and Ring-billed Gulls at Water and Fish Management Structures within the Yakima River, Washington. Walter W. Major III, James M. Grassley, Kristen E. Ryding, Christian E. Grue, Todd N. Pearsons, David A. Tipton, and Ann E. Stephenson, pages 366–377.

Effect of Water Level and Livestock on the Productivity and Numbers of Breeding White Storks. Piotr Tryjanowski, Leszek Jerzak, and Józef Radkiewicz, pages 378–382.

Foraging Microhabitat Selection by Wading Birds in a Tidal Estuary, with Implications for Conservation. Alan D. Maccarone and John N. Brzorad, pages 383–391.

Breeding Biology of the Great Bittern. Luca Puglisi and Vincent Bretagnolle, pages 392–398.

Bigamy in the Blue-footed Booby and the Brown Booby?. José Alfredo Castillo-Guerrero, Eric Mellink, and Aarón Aguilar, pages 399–401.

Common Murre Egg Recovery. Martin A. Murphy, Nathan M. Jones, and Michael W. Parker, pages 402–403.