Aves, p�le ornithologique de Natagora

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Aves, 28/2-3 | 1991 | 127-135

  Remarks on the evolution of the breeding avifauna of Picardy
Commecy, X. & Sueur, F.

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Article summary

This paper details positive evolution of six birds in Picardy (north-western France). The strong rise in the numbers of Grey Heron,a moderate increase for Cormorant, Little Egret and Tufted Duck, are the result of legal or tacid protection of biotops without hunting. Causes of appearance and general expansion of Bluethroat remain unknow. Installation of Night Heron is perhaps only temporary.

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