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Senner, Nathan R.

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Sub-arctic environments are undergoing rapid changes. For instance, woody shrubs are encroaching into previously open habitats, and booming goose (Chen caerulescens and Branta canadensis) populations are creating vast areas of bare mud. Across the region, these changes are likely to diminish the amount and quality of breeding habitat for imperiled arctic- and sub-arctic-breeding shorebirds, including the Hudsonian Godwit (Limosa haemastica). We studied godwit nest site selection at two study areas—Churchill, Manitoba, Canada, and Beluga River, Alaska, USA—to identify differences in habitat preferences between the two populations and determine the degree to which each avoided woody vegetation and non-vegetated areas....
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