La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	The status of the Hawfinch in the UK 1975-1999.
Auteurs :	Rowena Langston, Auteur ; Richard Gregory, Auteur ; Roy Adams, Auteur
Type de document :	Article
Dans :	British Birds (95(4) April 2002)
Article en page(s) :	166-173
Résumé :	The Hawfinch Coccothraustes coccothraustes is poorly monitored in the UK. In order to assess its population changes during 1975-99, data were gathered from county bird reports and additional information obtained from county recorders. Those counties which form the main part of the Hawfinch's range were identified from the New Atlas; annual totals for these counties were then compiled, and used to generate county and UK indices. Three indices are presented, two of which attempt to correct for changes in observer effort. The results indicate that Hawfinches have declined in numbers by 2-27% over a recent 20-year period, and by 37-45% during a recent ten-year period. The reasons for the decline require further study, and observers are encouraged to record this species more carefully, in order to enable careful monitoring of its status.

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