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Article
Jens Overgaard Christensen, Auteur ; Egon Ostergaard, Auteur
Article
Martin Iversen, Auteur ; Egon Ostergaard, Auteur
Article
During the period 1981-1999 Dotterels were recorded on 570 days. Adding the daily maxima yields a total of 10 429, 97.8% of which were seen in spring, between 16 April and 9 June (Table 1). There has been an increasing number of records per year[...]
Article
The breeding population of Wryneck Jynx torquilla has decreased dramatically in Denmark during the last three decades. Maybe only 75-100 pairs breed annually (Grell 1998). At Borris Hede in the western part of Jutland the population has been sur[...]
