Aves, p�le ornithologique de Natagora

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Aves, 56/4 | 2019 | 329-338

  Recent developments in the breeding population of the Great Cormorant Phalacrocorax carbo in Wallonia
Philippe Jenard

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

Article summary

Since its first appearance as a breeding species in 1992 – and in contrast to what was expected at the time – the Great Cormorant Phalacrocorax carbo has colonized Wallonia only a little. Hainault, which was the starting place for the species in our regions, retains the distinction of hosting the two biggest colonies – Obourg, and in particular, Hensies. At first, the numbers of birds increased steadily but have now stabilized at somewhat below the maximum. The present article is based on a series of meticulous censuses, some of which have continued for decades. It portrays the evolution of this fisheating species in Wallonia and the importance of the Hainault colonies. The article also considers the threats which menace some of the colonies and the actual destruction of someothers.

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