Table 1.
External nest structural features. Nest length (LN), nest circumference (CN), and nest width (WN) in centimeters. Volume of the nest (VN) in liters. The height of the nest (HN) from the ground (in meters). The number of secondary branches (NSB), length of the main branch covered by the nest (LMBC), and the diameter of both the main and secondary branches (DMB and DSB) in centimeters.
| Nest | LN | CN | WN | HN | VN | Tree | LMBC | DMB | NSB | DSB |
|---|---|---|---|---|---|---|---|---|---|---|
| A | 28.7 | 69.3 | 22 | 11 | 9.7 | Alnus glutinosa | 17 | 1.9 | - | - |
| B | 71.6 | 119.2 | 37.9 | 12 | 101.8 | Salix alba | 34 | 2.7 | 6 | 0.6; 0.9; 1; 1.4 and 1.5 |
| C | 54.4 | 115.6 | 36.8 | 10 | 57.0 | Salix babylonica | 2.5 | 3.7 | 4 | 1.4; 1.6; 2.5 and 2.6 |