La Tour du Valat

Article

Shrikes in the south of the Entre-Sambre-et-Meuse: Study on the recent evolution of the breeding birds and data on habitat and reproduction

Jean-Louis Coppee, Auteur

Dans Aves (36(1-2) Sept., 1999)

This study took place between 1991 and 1997. In 1990 10 territories at least of Red-backed Shrikes were observed but none of Great Grey Shrikes. The Great Grey Shrikes population looses 50% every ten years, which means that within 30 years the r[...]

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