Table 1. Mean ± SD values for structural dimensions of the Azure-winged magpie nests.
| Mean ± SD (n) | Comparison of breeding season | ||||
|---|---|---|---|---|---|
| Variables | 2018 season | 2019 season | Total season | t | P |
| Nest diameter parallel to long axis (mm) | 349.2 ± 45.0 (11) | 345.1 ± 56.7 (16) | 346.8 ± 51.3 (27) | −0.276 | 0.785 |
| Nest diameter perpendicular to long axis (mm) | 261.6 ± 37.1 (11) | 264.1 ± 26.5 (16) | 263.0 ± 30.6 (27) | 0.305 | 0.763 |
| Cup diameter parallel to long axis (mm) | 193.6 ± 17.5 (11) | 187.8 ± 17.7 (16) | 190.2 ± 17.5 (27) | −0.826 | 0.417 |
| Cup diameter perpendicular to long axis (mm) | 157.1 ± 16.2 (11) | 158.1 ± 12.1 (16) | 157.7 ± 13.6 (27) | 0.250 | 0.805 |
| Nest height (mm) | 94.4 ± 6.6 (11) | 104.1 ± 15.9 (16) | 100.1 ± 13.6 (27) | 2.043 | 0.053 |
| Cup height (mm) | 63.6 ± 7.9 (11) | 62.8 ± 12.8 (16) | 63.2 ± 11.0 (27) | −0.362 | 0.721 |
| Maximum cup depth (mm) | 42.7 ± 5.8 (10) | 42.3 ± 10.7 (16) | 42.4 ± 9.0 (26) | 0.105 | 0.867 |
| Cup wall thickness (mm) | 30.3 ± 5.0 (10) | 31.2 ± 6.7 (16) | 30.9 ± 6.0 (26) | 0.259 | 0.797 |
| Outer wall thickness (mm) | 77.8 ± 23.2 (11) | 78.7 ± 30.2 (16) | 78.3 ± 27.1 (27) | −0.044 | 0.965 |
| Cup base thickness (mm) | 22.1 ± 5.6 (11) | 17.7 ± 4.8 (16) | 19.5 ± 5.5 (27) | −2.062 | 0.0497 |
| Outer base thickness (mm) | 31.0 ± 3.4 (11) | 44.1 ± 15.7 (16) | 38.8 ± 13.8 (27) | 3.269 | 0.004 |
| Nest mass (g) | 277.9 ± 79.0 (11) | 318.6 ± 94.6 (16) | 302.0 ± 89.3 (27) | 1.150 | 0.261 |
| Outer mass (g) | 233.5 ± 63.7 (11) | 292.6 ± 56.7 (16) | 268.5 ± 85.4 (27) | 1.791 | 0.086 |
| Cup mass (g) | 44.4 ± 20.7 (11) | 25.8 ± 10.4 (16) | 33.4 ± 17.7 (27) | −2.966 | 0.007 |
| Cup volume (cm3) | 306.8 ± 62.4 (10) | 292.6 ± 75.6 (16) | 298.1 ± 67.0 (26) | 0.143 | 0.912 |