02039nam 2200493Ia 450 991069648010332120080227104131.0(CKB)5470000002378037(OCoLC)212065942(EXLCZ)99547000000237803720080227d2005 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierInfluence of riparian tree phenology on lower Colorado River spring-migrating birds[electronic resource] implications of flower cueing /by Laura J. McGrath and Charles van Riper III ; in cooperation with the Northern Arizona University, Department of Biological SciencesReston, Va. :U.S. Dept. of the Interior, U.S. Geological Survey,[2005]vi, 35 pages digital, PDF fileOpen-file report ;2005-1140Title from title screen (viewed on Feb. 7, 2008)."April 2005."Includes bibliographical references (pages 14-17).Influence of riparian tree phenology on lower Colorado River spring-migrating birds BirdsMigrationColorado River Valley (Colo.-Mexico)BirdsFoodColorado River Valley (Colo.-Mexico)Habitat selectionBirdsHabitatColorado River Valley (Colo.-Mexico)Riparian forestsColorado River Valley (Colo.-Mexico)BirdsMigrationBirdsFoodHabitat selection.BirdsHabitatRiparian forestsMcGrath Laura J1417327Van Riper Charles1416793Geological Survey (U.S.)Northern Arizona University.Department of Biological Sciences.GPOGPOBOOK9910696480103321Influence of riparian tree phenology on lower Colorado River spring-migrating birds3525387UNINA