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Article
The description of long-time changes in regional bird populations, based on the evaluation of historical to present-day data and reports, is often for methodical and statistical reasons very difficult. In this paper an example is shown (Stickrot[...]
Article
Increasing winter records of the Blackcap in South Germany (4.Jan.1996 in Augsburg, several more elsewhere in the 80ies and 90ies) give rise to thoughts about changing migration patterns with new winter quarters (e.g. U.K.).
