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Units of measurement for fractal extent, applied to the coastal distribution of bald eagle nests in the Aleutian Islands, Alaska

by Pennycuick, CJ, Kline, NC
Published 1986

Response to weather and light conditions of migrating Whooper Swans ( Cygnus cygnus ) and flying height profiles, observed with the Argos satellite system

by Pennycuick, CJ, Bradbury, TAM, Einarsson, Ó, Owen, M
Published 1999

Migrating whooper swans ( Cygnus cygnus ): satellite tracks and flight performance calculations

by Pennycuick, CJ, Einarsson, O, Bradbury, TAM, Owen, M
Published 1996

Response to weather and light conditions of migrating Whooper Swans Cygnus cygnus and flying height profiles, observed with the Argos satellite system

by PENNYCUICK, C.J., BRADBURY, T.A.M., EINARSSON, ÓLAFUR, OWEN, MYRFYN
Published in Ibis (1999)