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Dive into the research topics where David W. Steadman is active.

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Featured researches published by David W. Steadman.


Quaternary Research | 1987

California condor associated with spruce-jack pine woodland in the late Pleistocene of New York

David W. Steadman; Norton G. Miller

Abstract A humerus, coracoid, and pedal phalanx of the California Condor, Gymnogyps californianus, were recovered from the Hiscock Site in western New York, in an inorganic stratum containing wood that is 11,000 radiocarbon years old. Associated vertebrates include mastodont, wapiti, and caribou. Pollen and plant macrofossils from the sediments indicate a spruce-jack pine woodland and a local, herb-dominated wetland community. Historic records (all from western North America) and previous late Pleistocene fossils of the California Condor are associated mainly with warm-temperate climates and floras. The New York fossils show that this bird was able to live in a colder climate and in a boreal, coniferous setting at a time when appropriate food (large mammal carrion) was available. The California Condor, which survives only in captivity, has suffered a greater reduction in geographical range than previously suspected. Much of this reduction in range probably occurred ca. 11,000 yr B.P. when the extinction many North American large mammals resulted in severely reduced availability of food for the California Condor and other large scavenging birds.


Journal of Archaeological Science | 1989

Extinction of birds in Eastern polynesia: A review of the record, and comparisons with other Pacific Island groups☆

David W. Steadman


Proceedings of the National Academy of Sciences of the United States of America | 1993

Biogeography of Tongan birds before and after human impact.

David W. Steadman


Proceedings of the National Academy of Sciences of the United States of America | 1987

Radiocarbon dates on bones of extinct birds from Hawaii

Helen F. James; Thomas W. Stafford; David W. Steadman; Storrs L. Olson; P. S. Martin; A. J. Jull; P. C. McCoy


Conservation Biology | 1990

Absence of Blood Parasites in Indigenous and Introduced Birds from the Cook Islands, South Pacific

David W. Steadman; Ellis C. Greiner; Christopher Wood


Conservation Biology | 1991

The Potential for Conservation of Polynesian Birds through Habitat Mapping and Species Translocation

Janet Franklin; David W. Steadman


Bulletin of the British Ornithologists’ Club | 1985

FOSSIL BIRDS FROM MANGAIA SOUTHERN COOK ISLANDS

David W. Steadman


Archive | 1986

Two New Species of Rails (Aves: Rallidae) from Mangaia , Southern Cook Islands

David W. Steadman


Zoologische Verhandelingen | 1999

The biogeography and extinction of megapodes in Oceania

David W. Steadman


Archaeology in Oceania | 2004

Recent Archaeological Findings at Qaranilaca Cave, Vanuabalavu Island, Fiji

Frank R. Thomas; Patrick D. Nunn; Tamara Osborne; Roselyn Kumar; Francis Areki; Sepeti Matararaba; David W. Steadman; Geoff Hope

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Frank R. Thomas

University of the South Pacific

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Roselyn Kumar

University of the South Pacific

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Patrick D. Nunn

University of the Sunshine Coast

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Francis Areki

World Wide Fund for Nature

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Helen F. James

National Museum of Natural History

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