EASTERN IMPERIAL EAGLE (Aquila heliaca) ON ITS MOST NORTH-WEST DISTRIBUTION EDGE
Schmidt Matthias 1 & Horal David 2, 3 Eagles of Palearctic: Study and Conservation September 8, 2018 1BirdLife 2
Österreich, Museumsplatz 1/10/8, Wien, Österreich, matthias.schmidt@birdlife.at Czech Society for Ornithology, Na Bělidle 34, Prague, Czechia, david.horal@seznam.cz 3Nature Conservation Agency of the Czech Republic, Kotlářská 52, Brno, Czechia
Overview
• • • • • • • • •
Introduction & History Population Development & Distribution Habitat & Nesting site Breeding success Diet Ringing and tagging Threats PannonEagle LIFE Interesting findings ©V.Gahura
Introduction
Belarus Distribution EIE in Central Europe Breeding Areal
Poland Ukraine Germany Czech Rep. Moldova
Slovakia France
Austria
Hungary
Liechtenstein Switzerland
Romania Slovenia Croatia
Italy Serbia Bosnia and Herz. Bulgaria San Marino
Montenegro
Source: Handbook of the birds of the world alive
History Austria: Extinct early 19th century. Last confirmed brood 1810 Some unconfirmed possible breedings in the 1960ties
ŠR. Katzinger Belarus Distribution EIE in Central Europe Breeding Areal
Czechia:
Poland Ukraine Germany Czech Rep. Moldova
Slovakia France
Austria
Hungary
Liechtenstein Switzerland
Romania Slovenia Croatia
Italy Serbia Bosnia and Herz. Bulgaria San Marino
No historical records Possible but unconfirmed breedings in the early 20 century
Montenegro
In frame of the recovering of the Central European population first confirmed broods end of the 1990ties in both countries
Return of the EIE
1998/1999
Return of the EIE
1998/1999
2003
2008
2013
Return of the EIE
2018 31 TP, 22 BP, 32 Juv
population development Austria: Ʃ 158 Territorial pairs Ʃ 143 Breeding pairs Ʃ 218 Fledglings
Czechia: Ʃ 84 Territorial pairs Ʃ 60 Breeding pairs Ʃ 86 Fledglings
population development success rate
Austria: Mean 0,75
Czechia: Mean 0,75
population development Productivity & fledging success [fledgling/ BP] & [fledg./succ. BP]
Austria: mean productivity = 1,5 mean fledg.success = 1,95
Czechia: mean productivity = 1,04 mean fledg. success = 1,95
Breeding habitat Habitat categories
Breeding habitat Corine Landcover habitat-types
Nesting trees Tree species
habitat & breeding success Czechia
ŠM atusi k
habitat & breeding success Austria
©B. Wendelin
©J. Stefan
©J. Stefan
Diet of EIE in CZ & AT
©R. Katzinger
Diet of nestlings of IE from CZ (n=109, Horák & Horal) and AT (n=93, Gamauf 2008). Graph adapted from Bierbaumer et. al 2010
Ringing & Tagging Austria Ringing (2007-2018) 47 juv + 1 immat. Tagging (2011-2018) 23 juv + 1 immat.
Czechia Ringing (1998-2018) 66 juv Tagging (2017-2018) 7 juv.
ŠV.Gahura
Ringing & Tagging Austria Ringing (2007-2018) 47 juv + 1 immat. Tagging (2011-2018) 23 juv + 1 immat.
Czechia Ringing (1998-2018) 66 juv Tagging (2017-2018) 7 juv. 1st record for Malta
ŠS. Cilia
Dispersal Movement (utilization distribution) of young IE from Austria. Dynamic Brownian Bridge Movement Modell.
Threats and mortality of birds after fledging tagged EIE from Austria 33 % victims of (prob.) illegal persecution 6 not older than one year 2 birds start nesting 5 birds lost?
Threats and mortality of birds after fledging
©P.Simcik
©H. Matušìk
©H. Matušìk
©U. Nüsken
PannonEagle LIFE Project LIFE+ Project
“Conservation of the eastern imperial eagle by decreasing human-caused mortality in the Pannonian Region (PannonEagle LIFE (LIFE15 NAT/HU/000902)” Project duration: 2016.10.01 - 2022.03.31
Budget: 3 583 577 € (75 % EU-Contribution)
11 Organisation from 5 countries
Co-financiers
© P. Simcik
©M. Rajic
other interesting findings Breeding female with min 22years in CZ 1994 - 2013
©V.Gahura
©V.Gahura
©V.Gahura
other interesting findings Building of two nests on one tree in one season (CZ)
ŠD, Horal ŠD, Horal
other interesting findings (unsuccessful) brood of 4 chicks in AT in 2018
ŠM. Dvorak ŠB. Wendelin
other interesting findings Successful broods of 3cy birds in CZ
©M. Palička
©M. Palička
©J.Laber
acknowledgements Czechia: Marek Palička, Hynek Matušík, Vlasta Škorpíková, Gašpar Čamlík, Ivan Literák, Rainer Raab, Jaroslav Sedláček, Petr Dvořan and many more...
Austria: Anita Gamauf ( ), Hans-Martin Berg, Michael Bierbaumer, Beate Wendelin, Michael Dvorak, Konrad Edelbacher ( ), Johannes Laber, Gábor Wichmann, Thomas ZunaKratky, Johannes Hohenegger, Marion Schindlauer, Richard Katzinger, Benjamin Watzl, Mike McGrady, Andreas Ranner, Klemens Wessely, Markus Furch, Marie-Therese Furch, Sabine Zelz Susanne Schreiner, Johanna Petrus, Stephan Höller, Katharina Loupal, Eva Karner-Raner, Michael Tiefenbach, Christian Friedl, Christina Wolf-Petre, Christian Pichler, Flora Hoser and many more....
Thank you very much for your attention!