Table 3 Comparison between guarded, orphaned, and plugged full brood nests.
Nest type | Guarded | Orphaned | Plugged | All nests |
|---|---|---|---|---|
Number of nests analyzed | 150 | 163 | 359 | 672 |
Proportion of nests | 0.22 | 0.24 | 0.54 | 1 |
Brood cells in nests | ||||
Mean | 9.85 | 6.70 | 7.07 | 7.6 |
Range | 1–21 | 1–16 | 1–18 | 1–21 |
Standard deviation | 4.14 | 3.53 | 3.31 | 3.76 |
Empty cells | ||||
Mean | 1.16 | 0.46 | 1.84 | 1.34 |
Range | 0–6 | 0–5 | 0–8 | 0–8 |
Standard deviation | 1.19 | 0.88 | 1.33 | 1.34 |
Number of live offspring | ||||
Mean | 7.52 | 4.98 | 5.31 | 5.72 |
Range | 0–21 | 0–16 | 0–17 | 0–21 |
Standard deviation | 4.19 | 3.32 | 3.32 | 3.66 |
Length of nest | ||||
Mean | 14.79 | 15.1 | 15.28 | 15.12 |
Range | 4.4–23.4 | 4.2–26.9 | 4.3–30.4 | 4.2–30.4 |
Standard deviation | 3.54 | 3.8 | 4.41 | 4.09 |
Length of nest entrance | ||||
Mean | 4 | 7.94 | 1.56 | 3.64 |
Range | 0.5–17.5 | 0.17–21.3 | 0.4–15 | 0.17–21.3 |
Standard deviation | 3.68 | 4.67 | 1.22 | 3.97 |
