La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	Is the Papuan Harrier Circus spilonotus spilothorax a globally threatened species? Ecology, climate change threats and first population estimates from Papua New Guinea
Auteurs :	Robert E. Simmons, Auteur ; Leo A. T. Legra, Auteur
Type de document :	Article
Dans :	Bird Conservation International (19(4) DEC 2009)
Article en page(s) :	379-391
Langues:	Anglais
Résumé :	We undertook a 3-week expedition to Papua New Guinea in April-May 2007 to assess the breeding, threats and Population densities of the Papuan Harrier Circus spilonotus spilothorax and to determine a first global Population estimate for this almost entirely unknown species. Two of the first nests known were discovered in April 2007 with three chicks each, in the eastern lowlands, in rank grass and reeds. The melanistic form of this subspecies was more common in the lowlands (

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