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Table 1 Breeding statistics of the studied population of Bearded Tits in six study years: number of colour-ringed pairs, percentage of pairs with overlapping broods, total number of nests of colour ringed pairs, percentage of overlapping broods, and population density

From: Overlapping breeding attempts in the Bearded Tit (Panurus biarmicus)

Year Number of ringed pairs % of pairs with overlapping broods Number of nests % of overlapping broods Breeding density (pairs per 10 ha)
1990 9 11.1 21 4.76 3.56
2012 5 20 10 10 1.23
2013 7 14.03 13 15.38 2.05
2015 17 0 23 0 8.7
2016 22 0 47 0 10.67
2017 29 0 58 0 13.44