The First Atlas of Wintering Birds in Britain and Ireland: 1981/82-1983/84.
Temporal information about data set.
Data Provider comments
Records for 10-km squares were collated over the three winters 1981/82, 1982/83 and 1983/84. The survey ran from the period 14, 13 and 12 November in each of the three winters respectively until the last day of February.
Data capture period
Summary of date recording precision
Often the actual day on which records were made is not known precisely. However, they may be known to be within a particular month or year. The values on the left give an indication of how precisely the dates in this data set have been recorded.
Histogram showing the number of records per year
Histogram showing the number of species per year
Listing of number of species and records per year