ARTICLES

Waterbirds: Widening the Circle. D. C. Duffy ...................................................................................................... 1-2

The Annual Mortality Rate of Black-legged Kittiwakes in NE England from 1954 to 1998 and a Recent
Exceptionally High Mortality. J. C. Coulson and J. Strowger ............................................................................ 3-13

Distribution and Abundance of the Antarctic Petrel. J. A. Van Franeker, M. Gavrilo, F. Mehlum,
R. R. Veit, and E. J. Woehler ................................................................................................................................ 14-28

Seasonal Movements, Migration, and Range Sizes of Subadult and Adult Bamforth Lake California
Gulls. B. H. Pugesek, K. L. Diem, and C. L. Cordes ........................................................................................... 29-36

Population Studies of Wilson's Phalaropes at Fall Staging Areas, 1980-1997: A Challenge for
Monitoring. J. R. Jehl, Jr. ................................................................................................................................... 37-46

Aspects of Chick Growth in Gull-billed Terns in Coastal Virginia. R. M. Erwin, T. B. Eyler, D. B. Stotts,
and J. S. Hatfield .................................................................................................................................................. 47-53

Aspects of Hatching Success and Chick Survival in Gull-billed Terns in Coastal Virginia. T. B. Eyler,
R. M. Erwin, D. B. Stotts, and J. S. Hatfield ......................................................................................................... 54-59

Seabird Breeding Performance During Two Years of Delayed Capelin Arrival in the Northwest
Atlantic: A Multispecies Comparison H. M Regehr and M. S. Rodway .............................................................60-67

A Review of Human Disturbance Effects on Nesting Colonial Waterbirds K. M. Carney and
W. J. Sydeman ...................................................................................................................................................... 68-79

Diet of Common Murres Wintering in the Northern Skagerrak 1988-1990 and its Variation with Sex,
Age and Season. S.-H. Lorentsen and T. Anker-Nilssen .................................................................................... 80-89

Predicting Chick Survival and Productivity of Roseate Terns from Data on Early Growth. I. C. T.
Nisbet, J. S. Hatfield, W. A. Link, and J. A. Spendelow ....................................................................................... 90-97

Long-term Population Changes of Marine Birds in Prince William Sound, Alaska. B. A. Agler,
S. J. Kendall, D. B. Irons, and S. P. Klosiewski ................................................................................................. 98-103

Feeding Preferences of the Magellanic Penguin Over its Breeding Range in Argentina. J. A. Scolaro,
R. P. Wilson, S. Laurenti, M. Kierspel, H. Gallelli, and J. A. Upton ................................................................ 104-110

Environmental Adaptations in the Retina of the Magellanic Penguin: Photoreceptors and Outer
Plexiform Layer. A. M. Suburo and J. A. Scolaro .......................................................................................... 111-119

Dive Bouts and Feeding Sites of Adelie Penguins Rearing Chicks in an Area with Fast Sea-Ice. Y.
Watanuki, Y. Miyamoto, and A. Kato .............................................................................................................. 120-129

NOTES
Attendance and Effects of Disturbance on Coastal Common Murre Colonies on Point Reyes,
California. J. A. Thayer, W. J. Sydeman, N. P. Fairman, and S. G. Allen ..................................................... 130-139

Shorebirds and Surf Clams: An Unusual Interaction. N. Tsipoura and J. Burger ....................................... 140-141

Swinhoe's Storm-Petrel, Bridled Tern, and Lesser Crested Tern at Wu YU (Black Rock), Nan Ao
County, Guangdong, China. F. Sibley, W. Lu, and J. Lazell .......................................................................... 142-144

Rubber Bands as a Simple Tool to Detect Foraging Ranges of Gulls O. Hüppop ..................................... 145-147

Effects of Research Activity on Hatching Success in a Colony of South American Terns. G. Blanco,
P. Yorio, and M. Bartellotti .............................................................................................................................. 148-150

Cost of Incubation in a Greater White-fronted Goose. B. Spaans, W. Van Der Veer, and
B. S. Ebbinge .................................................................................................................................................... 151-155

Temporal Changes in the Anti-predator Flocking Behavior of Wintering Shorebirds. S. A. Cullen
and G. J. Robertson ......................................................................................................................................... 156-159

NOTEWORTHY PUBLICATIONS: Edited by David Nettleship.............................................................. 160-170

Instructions for Contributors .......................................................................................................................... 171-172

Editorial Staff .................................................................................................................................................. 173-174