Table 1. Details of common cuckoo visits to host nests.

Host activity	Time of day	Duration of stay at nest (s)	Duration of egg laying (s)	No. of eggs removed (n)
Data are means±SD of duration of egg laying, duration of stay, and number of eggs removed by cuckoo females when host was absent from (n=18) and present (n=35) at the nest.
Absent	1616 h	24.48±27.22	10.67±7.05	0.6±0.6
Present	1641 h	7.60±3.11	5.61±2.42	0.5±0.5
χ2	0.164	35.355	26.902	0.406
df	1	1	1	1
P	0.686	<0.001	<0.002	0.524