Aves, p�le ornithologique de Natagora

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Aves, 56/1 | 2019 | 3-27

  The range and breeding numbers of Red Kite Milvus milvus and Black Kite Milvus migrans in Wallonia
Alain De Broyer, Jean–Paul Jacob, Rudi Dujardin, Sonja Lampertz, Vincent Leirens, Stef van Rijn, Paul Voskamp & Jean–Yves Paquet

Article is not available in pdf French article available for download in 2021

Article summary

The range and breeding numbers of Red Kite Milvus milvus and Black Kite Milvus migrans in Wallonia (Southern Belgium) were estimated following a large–scale field survey in spring 2015 and 2016, complemented by intensive annual survey in the core breeding area of Red Kite. Red Kite breeding population has more than doubled in the last decade: from 150–180 territories estimated in 2001–2007 to 360–410 in 2015–2016.More than 1 % of the world population of this European endemic species is now breeding in Wallonia. The increase in Wallonia is the result both of a density increase of the existing population and a 25 % range expansion to the West. In Eastern Ardenne, a region where the landscape is largely modeled by cattle farming, Red Kite average density is now reaching 34 territories by 100 km². In the meantime,Black Kite numbers increased only weakly: from 59–61 territories in 2001–2007 to 70–80 in 2015–2016.The population development varies widely between sub–regions for this species, increasing in some areas while disappearing from others. The only important core area is located in Belgian Lorraine, in continuity with increasing French and Luxembourg populations. Contrary to the situation in Switzerland or Germany, the increase of Black Kite in Wallonia does not seem to follow the fast increase trajectory of Red Kite.

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