La Tour du Valat

Article

Post-breeding flocks of White Storks Ciconia ciconia in southern Poland: size, age composition and the geographical origin of birds

Joachim Siekiera, Auteur ; Łukasz Jankowiak, Auteur ; Artur Siekiera, Auteur ; Norbert Chmura, Auteur ; Piotr Profus, Auteur ; Tim H. Sparks, Auteur ; Piotr Tryjanowski, Auteur

Dans Bird Study (68(2) May, 2021)

Capsule White Storks Ciconia ciconia forming migrating flocks in southern Poland in autumn came from central Poland and eastern Germany, and used ploughed fields and cut meadows to forage before they moved south.Aims The aim of this study was to[...]

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Article

Leaving on migration: estimating departure dates of Barn Swallows Hirundo rustica from summer roosts using a capture-mark-recapture approach

Grzegorz Neubauer, Auteur ; Piotr Zieliński, Auteur ; Zbigniew Wojciechowski, Auteur ; Elzbieta Buszkiewicz, Auteur ; Joachim Siekiera, Auteur ; Artur Siekiera, Auteur

Dans Bird Study (59(2) 2012)

Capsule Capture-mark-recapture data can be used to predict departure dates of Barn Swallows Hirundo rustica from summer roosts. Aims To investigate how long Barn Swallows remain at their breeding grounds before migration by estimating departure [...]

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