Table 3.

Summary of general reproductive parameters of American kestrel per year from 2011 to 2016. The mean values, the standard error (± ES) and the number of nest boxes in brackets are provided. Nest boxes in the intensive agricultural area were placed in 2012.

Year	Laying date	Clutch size	Productivity	Breeding success
2011	31 Oct + 1.91 (n = 24)	4.22 + 0.20 (n = 35)	3.53 + 0.28 (n = 31)	0.87 + 0.06 (n = 31)
2012	26 Oct + 1.4 (n = 64)	4.30 + 0.1 (n = 75)	2.65 + 0.23 (n = 71)	0.70 + 0.05 (n = 71)
2103	21 Oct + 1.06 (n = 51)	4.54 + 0.08 (n = 78)	2.98 + 0.22 (n = 78)	0.87 + 0.06 (n = 78)
2104	11 Oct + 1.54 (n = 81)	4.69 + 0.10 (n = 89)	3.39 + 0.18 (n = 89)	0.86 + 0.03 (n = 89)
2015	14 Oct + 1.30 (n = 87)	4.46 + 0.07 (n = 90)	3.27 + 0.18 (n = 86)	0.83 + 0.04 (n = 86)
2106	17 Oct + 1.50 (n = 68)	4.44 + 0.09 (n = 81)	2.55 + 0.21 (n = 85)	0.72 + 0.04 (n = 84)