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Table 1 Some characteristics of data collected on nesting of European Robins in closed nestboxes in Lithuania

From: Is nesting in closed nestboxes advantageous for the European Robin (Erithacus rubecula)?

Parameters Study sites Total
Site A Site B Site C Site D Site E Other sites
Study period 1978–1990,
1997–2020
1984–1993 1990–2020 1999–2002 1999–2020 1995–2020 1978–2020
Total number of nestbox-seasons 9967 4356 2313 200 1450 * 18,286*
Numbers of tit nestbox-seasons 9910 4138 0 0 1450 * 15,498*
Numbers of starling nestbox-seasons 57 218 2313 200 0 * 2788*
Breeding cases of robins recorded 30 13 36 2 0 9 90
% of nestboxes occupied by robins 0.30 0.30 1.56 1.00 0 * 0.44*
  1. *At other sites, data were collected by irregular inspection of nestboxes; these data are not comparable with data collected at study sites A–E, and they are not included in the total count