La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	Spring weather and the migration of geese from Scotland to Iceland
Auteurs :	Hugh Boyd, Auteur ; Michael V. Bell, Auteur ; A. Donald Watson, Auteur
Type de document :	Article
Dans :	Ringing & Migration (20(2) November, 2000)
Article en page(s) :	153-165
Résumé :	Records of first arrivals of geese at sites in Iceland between 1950 and 1997 are combined with dates of departures from Scottish roosts and flights seen over northern Scotland to identify when migratory movements occurred. Greylag Geese Anser anser moved earliest, the mean date of first sightings in Iceland being 3 April (s.d.14.3 days) and of northward movements over Scotland 14 April (s.d. 12.9 days), the median first arrival and departure dates being 8 and 15 April. The mean date of first sightings in Iceland of pink-footed geese Anser brachyrhynchus was

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