12 Articles tagged with "population trends"
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Losing the edge: trends in core versus peripheral populations in a declining migratory songbirdPDF
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Combining monitoring data from multiple sites to assess population status and trends of White-tailed Tropicbirds (Phaethon lepturus) in the SeychellesPDF
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Bird trends from long-term observation data at sites in the Hudson Bay LowlandsPDF
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Twenty years of coastal waterbird trends suggest regional patterns of environmental pressure in British Columbia, CanadaPDF
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Factors associated with local and statewide population trends of the Florida Sandhill Crane (Antigone canadensis pratensis)PDF
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Special Feature
Assessing breeding duck population trends relative to anthropogenic disturbances across the boreal plains of Canada, 1960–2007PDF
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The Breeding Bird Survey at 50: scientists and birders working together for bird conservationPDF
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Piping Plover response to coastal storms occurring during the nonbreeding seasonPDF
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Changes in heron and egret populations on the Laurentian Great Lakes and connecting channels, 1977-2009PDF
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Predicting origins of passerines migrating through Canadian migration monitoring stations using stable-hydrogen isotope analyses of feathers: a new tool for bird conservationPDF