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Article
Evgeny A. Bragin, Auteur ; Sharon A. Poessel, Auteur ; Michael J. Lanzone, Auteur ; Todd E. Katzner, Auteur
Article
Sharon A. Poessel, Auteur ; Evgeny A. Bragin, Auteur ; Peter B. Sharpe, Auteur ; David K. Garcelon, Auteur ; Kordian Bartoszuk, Auteur ; Todd E. Katzner, AuteurCapsule: We describe ecological factors associated with movements of a globally declining raptor species, the Eastern Imperial Eagle Aquila heliaca.Aims: To describe the movements, habitat associations and resource selection of Eastern Imperial [...]
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Evgeny A. Bragin, Auteur ; Alexander E. Bragin, Auteur ; Todd E. Katzner, AuteurDans Ibis (159(4) 2017)Nestbox programmes are frequently implemented for the conservation of cavity-nesting birds, but their effectiveness is rarely evaluated in comparison with birds not using nestboxes. In the European Palaearctic, Red-footed Falcon Falco vespertinu[...]
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Todd E. Katzner, Auteur ; Evgeny A. Bragin, Auteur ; Alexander E. Bragin, Auteur ; Michael McGrady, Auteur ; Tricia A. Miller, Auteur ; Keith L. Bildstein, AuteurCapsule: Red-footed Falcons Falco vespertinus migrating from northern Kazakhstan proceed west before heading south to Africa; their northbound travel follows a different route with passage close to shooting hotspots in the Mediterranean.Aim: To [...]
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Todd E. Katzner, Auteur ; Evgeny A. Bragin, Auteur ; Steven T. Knick, Auteur ; Andrew T. Smith, AuteurWe evaluated the relationship between spatial variability in prey and food habits of eastern imperial eagles Aquila heliaca at a 90,000 ha national nature reserve in north-central Kazakhstan. Eagle diet varied greatly within the population and t[...]
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Todd E. Katzner, Auteur ; Daniel S. Jackson, Auteur ; Jamie Ivy, Auteur ; Evgeny A. Bragin, Auteur ; Andrew DeWoody, AuteurSex ratio theory attempts to explain observed variation in offspring sex ratio at both the population and the brood levels. In the context of low-fecundity organisms producing high-investment offspring, the drivers of adaptive variation in sex r[...]
