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Telemetriestudie zur Raumnutzung des Rotmilans Milvus milvus in Europa – Erste Ergebnisse aus dem Zeitraum 2014 bis 2018

Authors:
  • Technisches Büro für Biologie - Technical office for biology, Deutsch-Wagram, Austria
  • TB Raab GmbH

Abstract

To effectively protect European species such as the Red Kite, a detailed understanding of anthropogenic and non-anthropogenic influences, especially the causes of mortality and spatial context, is required. Modern telemetry techniques are increasingly used to obtain high-resolution information on spatial use. However, collecting such data can be difficult, as red kites are highly mobile, occupying large activity ranges. Moreover, conventional methods such as field observations or bird ringing have their limits and accordingly satellite telemetry increasingly gains importance in raptor research. Only on the basis of such spatio-temporal data year-round habitat use can be assessed properly, providing a sound basis for future conservation actions. To assess year-round habitat use of red kites based on high spatial resolution data, 243 red kites have been tagged between June 2014 and September 2018 in Belgium, Germany, Austria, Slovakia, Spain and Czech Republic. Based on > 3.8 million data points (including the respective geographic and temporal information) the importance of Italy and the Balkan Peninsula as important overwintering sites for Central European red kites can be confirmed. Red kites of three consecutive generations are used as an example to identify migration routes passing partly the Mediterranean Sea and preferred wintering grounds of the Italian/Balkan flyway in more detail. Up to date, there is hardly any information available about this flyway. Migrating red kites partly showed large-scaled sea crossings – an interesting finding for a mostly thermal soarer. Additionally, telemetry data provided important support for finding new roosting sites and therefore allowed a more complete assessment of the wintering red kite population. In the course of an international census being carried out on the weekend of 6th/7th January 2018 a total of 282 wintering red kites were recorded at 16 roosting sites in Greece, Croatia, Austria, Slovakia, Czech Republic and Hungary. Information on previously partially unknown roosts of tagged individuals was available as a helpful basis for the census. Hence, the increasing tendency of red kites to spend winter months in Central Europe – a behaviour that was only shown infrequently a few decades ago – could be supported. Only profound knowledge of year-round habitat use of a species allows to define the utilized key areas, to evaluate potential threats within these areas and to set up adequate conservation actions. High resolution telemetry data provide an important basis for the protection of birds of prey in general and for the conservation of the red kite in particular.
Monatsschrift für Vogelbeobachtung, Feldornithologie und Avifaunistik
ORNITHOLOGISCHE
MITTEILUNGEN
Tagungsband des 9. Symposiums
„Populationsökologie von Greifvogel-
und Eulenarten“
Ornithologische
Mitteilungen
Jahrgang 73 • Nr. 7-12 • 2021
Jahrgang 73 • Nr. 7-12 • 2021
ORNITHOLOGISCHE
MITTEILUNGEN
Ornithologische
Mitteilungen
Monatsschrift für Vogelbeobachtung, Feldornithologie und Avifaunistik
INHALTSVERZEICHNIS
ISSN 0030-5723
Vorwort .......................................................................................................................................................165
Programm des 9. Symposiums „Populationsökologie von Greifvogel- und Eulenarten“,
Halberstadt 2018 ...................................................................................................................................... 169
Ubbo Mammen und Ines Stark
Brutbestandsentwicklung der Greifvogel- und Eulenarten in Deutschland
von 1988 bis 2016 ....................................................................................................................................175
Torsten Langgemach
Kurzfristige Änderung der Brutplatzwahl beim Schreiadler Clanga pomarina in Brandenburg ... 187
Erhard Franke und Thomas Franke
Langzeitstudie zum Brutbestand des Mäusebussards Buteo buteo im Wandel der Landnutzung
von 1986 bis 2011/15 auf einer 120 km² großen Kontrolläche in Mecklenburg-Vorpommern ......193
Rainer Raab, Ivan Literák, Hannah Böing, Eike Julius, Blanka Raab, Péter Spakovszky, Jochen
Steindl, Jendrik Windt, Manuel Wojta, Christian H. Schulze, Hynek Matušík, Lubomír Peške, Karel
Makoň, Jakub Mráz, Boris Maderič, Ján Svetlík, Vladimír Pečeňák, Martin Kolbe, Bernd Nicolai, Eike
Steinborn, Ubbo Mammen, Thomas Pfeier, Winfried Nachtigall, Nina Farwig, Dana G. Schabo,
Theresa Spatz, Sascha Rösner, Javier De La Puente, Dušan Rak, Stef van Rijn und Jean-Yves Paquet
Telemetriestudie zur Raumnutzung des Rotmilans Milvus milvus in Europa – Erste
Ergebnisse aus dem Zeitraum 2014 bis 2018 .....................................................................................203
Theresa Spatz, Sascha Rösner, Dana G. Schabo, Christian Gelpke und Nina Farwig
Zwischen Revierbildung, Brutphase und Jungenaufzucht: Aktionsräume und
Habitatnutzung adulter Rotmilane Milvus milvus in Hessen ........................................................... 225
Frauke Helms, Eckhard Gottschalk und Thomas Pfeier
Habitatnutzung von Rotmilanen Milvus milvus während der Nahrungssuche –
Kombinierte Analyse von Telemetriedaten und Nestkameras ........................................................ 233
Gert Kleinstäuber
Zur heutigen Situation der Wanderfalken-Brutvorkommen Falco peregrinus in Ost deutschland
unter besonderer Berücksichtigung der Nutzung verschiedener Habitattypen ............................... 245
Fred J. Koning und Henk Jan Koning
Der Waldkauz Strix aluco in einer sich verändernden Landschaft .................................................. 281
Ralf Mäkert und Günther Erdmann
Entwicklung eines Waldkauz-Vorkommens Strix aluco in Auwäldern bei Leipzig .......................287
Christian Harms
IR-Videokameras bringen Licht ins Nachtleben des Uhus Bubo bubo ...........................................291
Ortwin Schwerdtfeger
Die Bedeutung des Gesangs beim Raufußkauz Aegolius funereus .................................................317
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