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Is the decline of Burrowing Owls Speotyto cunicularia in prairie Canada linked to changes in Great Plains ecosystems?

K. M. Clayton, Auteur ; J. K. Schmutz, Auteur

Dans Bird Conservation International (9(2) JUN 1999)

We examined population and ecosystem patterns hoping to inform conservation strategies for Burrowing Owls Speotyto cunicularia in Canada. The owls chose moderately to heavily grazed grasslands for nesting and roosting, and avoided cultivated fie[...]

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