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From:
Published online 2010 May 26. doi: 10.1371/journal.pone.0010816

Table 3

Occurrence of nest predation in ashy-throated parrotbills.
Predation rates (%) on various egg types
whiteblueTotalChi-square test
Year1999(53.3) 30(42.9) 42(47.2) 72χ2 = 0.77, df = 1, P = 0.38
2005(26.5) 34(36.0) 25(30.5) 59χ2 = 0.62, df = 1, P = 0.43
2009(48.3) 60(49.0) 51(48.6) 111χ2 = 0.005, df = 1, P = 0.94
Total(43.5) 124(44.1) 118(43.8) 242χ2 = 0.007, df = 1, P = 0.94
Predation rates are provided as % (in brackets) with total number of nests monitored. Differences in predation rate between egg types are tested with Chi-square tests.