<abstract xmlns="http://www.w3.org/1999/xhtml"><p>After the disappearance of the Peregrine Falcon during the DDT era, the re-colonization of Eastern Germany from 1981 was accompanied by colour-ringing of a high percentage of juveniles and systematic identification of these individuals on their later nest-sites. Before that period there were two geographically distinct subpopulations: tree-breeders in the north, and cliff-breeders in the south. We were able to restore the tree breeders’ tradition by imprinting nestlings at stick nests in forests. Today, besides cliff- and tree-breeders there are also nest-sites on buildings and lattice structures. The population is increasing including all nest-site types. Here, we analyse nesting habitat choice with respect to the natal habitat of birds. The exchange between the four nest-site types is limited. Habitat fidelity was high in birds fledged on cliffs (95%) and on buildings (81%). The sample size for lattice structures is still too low for deeper analyses. The fixation towards trees was stable only in 56% of birds, and higher for males than for females. The influx from other habitat types is very limited and hardly supports the tree breeders’ subpopulation. A growing number of tree-breeders go along with higher habitat fidelity which is stabilizing their sub-population.</p></abstract>

After the disappearance of the Peregrine Falcon during the DDT era, the re-colonization of Eastern Germany from 1981 was accompanied by colour-ringing of a high percentage of juveniles and systematic identification of these individuals on their later nest-sites. Before that period there were two geographically distinct subpopulations: tree-breeders in the north, and cliff-breeders in the south. We were able to restore the tree breeders’ tradition by imprinting nestlings at stick nests in forests. Today, besides cliff- and tree-breeders there are also nest-sites on buildings and lattice structures. The population is increasing including all nest-site types. Here, we analyse nesting habitat choice with respect to the natal habitat of birds. The exchange between the four nest-site types is limited. Habitat fidelity was high in birds fledged on cliffs (95%) and on buildings (81%). The sample size for lattice structures is still too low for deeper analyses. The fixation towards trees was stable only in 56% of birds, and higher for males than for females. The influx from other habitat types is very limited and hardly supports the tree breeders’ subpopulation. A growing number of tree-breeders go along with higher habitat fidelity which is stabilizing their sub-population.

Nesting habitat selection of Peregrine Falcons <italic>(Falco p. peregrinus)</italic> in Eastern Germany – the state of knowledge

Ornis Hungarica

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Nesting habitat selection of Peregrine Falcons  in Eastern Germany – the state of knowledge

After the disappearance of the Peregrine Falcon during the DDT era, the re-colonization of Eastern Germany from 1981 was accompanied by colour-ringing of a...

Nesting habitat selection of Peregrine Falcons (Falco p. peregrinus) in Eastern Germany – the state of knowledge

Online veröffentlicht: 14. Feb. 2019

Seitenbereich: 259 - 273

Eingereicht: 30. Okt. 2018

Akzeptiert: 24. Jan. 2019

DOI: https://doi.org/10.1515/orhu-2018-0034

Schlüsselwörter
Peregrine Falcon, habitat selection, eastern Germany, tree-breeders’ project

© 2018 Gert Kleinstäuber et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Nesting habitat selection of Peregrine Falcons (Falco p. peregrinus) in Eastern Germany – the state of knowledge

Online veröffentlicht: 14. Feb. 2019

Seitenbereich: 259 - 273

Eingereicht: 30. Okt. 2018

Akzeptiert: 24. Jan. 2019

DOI: https://doi.org/10.1515/orhu-2018-0034

SchlüsselwörterPeregrine Falcon, habitat selection, eastern Germany, tree-breeders’ project

© 2018 Gert Kleinstäuber et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Schlüsselwörter
Peregrine Falcon, habitat selection, eastern Germany, tree-breeders’ project