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. 2016 Aug 4;11(8):e0160333. doi: 10.1371/journal.pone.0160333

Table 1. Descriptive statistics for the lifetime activity of four bees.

Bee 1 Bee 2 Bee 3 Bee 4
Dates 25/06/15–06/07/15 11/07/15–16/07/15 23/07/15–06/08/15 21/08/15–03/09/15
Total days 12 6 15 14
Track days 10 6 8 7
Total flights 156 31 26 31
Explorations preceding 1st exploitation flight 3 5 6 8
Total number of exploitation flights 142 7 17 16
Proportion of flights that were exploitation 0.91 0.23 0.65 0.52
Flights/day (Mean ± sd) 15.6 ± 8.8 5.2 ± 1.9 3.3 ± 0.9 4.4 ± 3.2
Flight duration (min:sec, Mean ± sd) 35:56 ± 119:41 133:10 ± 255:26 169:53 ± 205:33 31:59 ± 20:42
Time in flight (min:sec, Mean ± sd) 1:27 ± 2:15 3:43 ± 3:35 7:09 ± 10:52 2:32 ± 1:35
Time between flights (min:sec, Mean ± sd) 1:01 ± 1:14 25:44 ± 59:41 5:35 ± 14:46 26:14 ± 40:15
Flight distance (m, Mean ± sd) 442 ± 493 1362 ± 1366 1661 ± 2478 825 ± 485
Max distance from nest (m, Mean ± sd) 179 ± 71 217 ± 120 168 ± 72 257 ± 125
Number of nights bee did not return to nest 2 2 1 0
Number of flights during which we made observations 0 7 4 2
Number of thistle patches bee observed in 0 15 12 2
Number of marked thistles 0 50 34 4