ARTICLES

Status of the White-faced Ibis: Breeding Colony Dynamics of the Great Basin Population,
1985-1997. S. L. Earnst, L. Neel, G. L. Ivey, and T. Zimmerman........................................................................ 301-313

Selection of Fish Schools by Flocking Seabirds in Prince William Sound, Alaska. J. M. Maniscalco
W.D. Ostrand and K. O. Coyle............................................................................................................................... 314-322

Diets of Nestling Gull-biilled Terns in Coastal Virginia. R. M. Erwin, T. B. Eyler, J. S. Hatfield,
and S. McGary....................................................................................................................................................... 323-327

Population Parameters of the Great Egret and Purple Heron in Relation to Ecological Factors
in the Reed Belt of the Neusielder See. A. Grüll and A. Ranner....................................................................... 328-334

History and Status of Introduced Mammals and Impacts to Breeding Seabirds on the California
Channel and Northwestern Baja California Islands. G. J. McChesney and B. R. Tershy................................. 335-347

A Photographic Guide to the Development of Double-crested Cormorant Embryos. D. C. Powell
R. J. Aulerich, R. J. Balander, K. L. Stromberg, and S. J. Bursian........................................................................ 348-355

Arsenic, Mercury, Selenium, and Organochlorines and Reproduction of Interior Least Terns
in the Northern Great Plains, 1992-1994. S. H. Blackford and D. Welsh........................................................... 356-366

The Use of Foraging Habitats by Wading Birds Seven Years After the Occurrence of Major
Oil Spills. A. D. Maccarone and J. N. Brzorad..................................................................................................... 367-374

Diet and Postnatal Growth in Red-legged and Black-legged Kittiwakes: An Interspecies
Comparison. B. K. Lance and D. D. Roby............................................................................................................ 375-387

Vocal Repertoire of Forster's Tern. J. A. Hall................................................................................................... 388-405

Diurnal Activity Patterns and Nocturnal Group Formation of Wintering Common Murres in the
Central North Sea. K. Camphuysen.................................................................................................................... 406-413

NOTES
Aging Laughing Gull Nestlings using Head-bill Length. L. M. Reed, D. F. Caccamise and E. P. Orrell......... 414-417

Threats to a Mixed-Species Colony of Spheniscus Penguins in Southern Chile. A. Simeone and
R. P. Schlatter....................................................................................................................................................... 418-421

Offshore Distribution of Seabirds in the Northwestern Mediterranean in June 1995. P Abelló and
D. Oro................................................................................................................................................................... 422-426

A Method of Age Determination for Nestling Gull-billed Terns. .J. Manual Sánchez-Guzmán and
A. Muñoz del Viejo................................................................................................................................................ 427-430

The Diet of Wintering Double-crested Cormorants Feeding at Lakes in the Southeastern United
States. J. F. Glahn, J. B. Harrel and C. Vyles..................................................................................................... 431-437

Nest-Site Selection by Roseate Terns Breeding on Aride Island, Seychelles. J. A. Ramos........................... 438-443

Sexing of Adult Gentoo Penguins in Antarctica Using Morphometrics. M. Renner, J. Valencia,
L. S. Davis, D. Saez, and O. Cifuentes.................................................................................................................. 444-449

Observations of Nesting Double-crested Cormorants in the Delta Region of Mississippi. D. S.
Reinhold, A. J. Mueller and G. Ellis...................................................................................................................... 450-451

Survival and Mortality of Grey-headed Albatross Chicks in Relation to Infestation by the Tick
Ixodes uriae. P.D. Haemig, S. Bergström, and B. Olsen..................................................................................... 452-453

NOTEWORTHY PUBLICATIONS: Edited by David N. Nettleship................................................................ 454-466

Index..................................................................................................................................................................... 467-474

Thanks to Reviewers........................................................................................................................................... 475

Editorial Staff....................................................................................................................................................... 476