ARTICLES

Review of Newcastle Disease in Cormorants. T. Kuiken ............................................................................. 333-347

Approaches to testing inter-observer reliability of field-collected behavioral data. J. Neeman,
J. W. Chardine and J. M Porter ........................................................................................................................ 348-357

Status and distribution of Fea's Petrel, Bulwer's Petrel, Manx Shearwater, Little Shearwater and
Band-rumped Storm-Petrel in the Azores Archipelago. L. R. Monteiro, J. A. Ramos, J. C. Pereira,
P. R. Monteiro, R. S. Feio, D. R. Thompson, S. Bearhop, R. W. Furness, G. Hilton, V. C. Neves,
M. P. Groz and K. R. Thompson ....................................................................................................................... 358-366

Habitat selection and hatching success of Eurasian Oystercatchers in relation to nesting
Yellow-legged Gulls and human presence. R. Rusticali, F. Scarton and R. Valle .......................................... 367-375

Organochlorine concentrations and eggshell thickness and hatchability in seabirds off central
California. P. Pyle, W. J. Sydeman and E. McLaren ....................................................................................... 376-381

Increasing and expanding populations of breeding Northern Fulmars in Atlantic Canada. I. J.
Stenhouse and W. A. Montevecchi .................................................................................................................... 382-391

Food resource use and diet overlap of Common and Thick-billed Murres at the Gannet Islands,
Labrador. R. Bryant and I. L. Jones ................................................................................................................. 392-400

Does disturbance by nocturnal predators affect body mass of adult Common Terns. H. Wendeln
and P. H. Becker ............................................................................................................................................... 401-410

Long-term movement patterns for seven species of wading birds. S. L. Melvin, D. E. Gawlik
and T. Scharff ................................................................................................................................................... 411-416

Nest-site limitations and colony development in tree-nesting Great Cormorants. F. Grieco .................... 417-423

Foraging flights and nesting egrets and herons at a Hong Kong egretry, South China. L. C.
Wong, R. T. Corlett, L. Young and J. S. Y. Lee ................................................................................................ 424-434

NOTES
Using kite-based aerial photography for conducting Adélie Penguin censuses in Antarctica. W. R.
Fraser, J. C. Carlson, P. A. Duley, E. J. Holm and D. L. Patterson ................................................................ 435-440

Movements of Humboldt Penguins from a breeding colony in Chile. R. S. Wallace, K. Grzybpwski,
E. Diebold, M G. Michaels, J. A. Teave and M. J. Willis ................................................................................. 441-444

Nocturnal activity of Ring-billed Gulls at and away from the colony. P. N. Hebert and R. McNeil ............ 445-451

Factors affecting the pairing chronologies of three species of mergansers in southwest British
Columbia. M. Coupe and F. Cooke ................................................................................................................ 452-458

The birds of Sala and Gomez Island, Chile. Y. A. Vilina and F. J. Gazitua .................................................. 459-462

Differences in foraging performance between juvenile and adult Roseate Terns at a pre-migratory
staging area. M. J. Watson and J. J. Hatch .................................................................................................... 463-465

Diving behavior of Rock Shags at a Patagonian colony of Argentina. F. Quintana ................................... 466-471

Foraging of Royal Spoonbills. S. Van Balen and W. M. Rombang ................................................................ 472-473

Red-footed Booby use of artificial nesting platforms. M. J. Rauzon and D. Drigot .................................... 474-477

Is there age assortive mating in the European White Stork? C. Barbraud and J. C. Barbraud ................ 478-481

NOTEWORTHY PUBLICATIONS: Edited by David Nettleship.............................................................. 482-490

Index for Waterbirds 22.................................................................................................................................... 491-498

Instructions for Contributors ......................................................................................................................... 499-500

Reviewers for Waterbirds 22............................................................................................................................. 501

Editorial Staff ................................................................................................................................................. 502