CONSERVATION OF MARINE BIRDS OF NORTHERN NORTH AMERICA Papers from the International Symposium held at the Seattle Hyatt House, Seattle, Washington, 13-15 May 1975

Edited by

James C. Bartonek and David N. Nettleship

Sponsored by

Natural Resources Council of America

National Audubon Society

National Wildlife Federation

U.S. Department of the Interior, Fish and Wildlife Service

UNITED STATES DEPARTMENT OF THE INTERIOR FISH AND WILDLIFE SERVICE Wildlife Research Report 11 Washington, D.C. • 1979

Dedicated to the Memory of

Robert D. Bergman, Leonard A. Boughton, and J. Larry Haddock, Wildlife Biologists of the Fish and Wildlife Service, and Robert Johnson, Pilot of the Office of Aircraft Services, all of the U.S. Department of the Interior, who perished in the Gulf of Alaska on 30 September 1974 while conducting aerial surveys of marine birds,

and to

Einar Brun, Professor of Zoology in Tromsø University and a contributor to these proceedings, who perished in the Vega Sea on 13 July 1976 when returning from making aerial surveys of marine birds.