From: Breeding strategies of open-cup-nesting birds in sub-Antarctic forests of Navarino Island, Chile
Nest dimensionsa | Height from ground | Nest diameter | Nest depth | Nest diam/depth ratio | Cup diameter | Cup depth |
P. patagonicus (n = 17) | 74.5 ± 10.5 (0–140; 90) | 12.7 ± 0.6 | 7.8 ± 0.6 | 1.6 | 7.5 ± 0.4 | 6.0 ± 1.6 |
T. falcklandii (n = 8) | 36.5 ± 19.9 (0–133; 10) | 16.6 ± 1.2 | 8.4 ± 2.5 | 2.0 | 9.0 ± 1.2 | 5.0 ± 0.7 |
A. parulus (n = 16) | 130.1 ± 45.5 (43–800; 78) | 8.4 ± 0.3 | 6.9 ± 0.4 | 1.2 | 4.1 ± 0.3 | 3.7 ± 0.4 |
E. albiceps (n = 28) | 121.0 ± 14.1 (40–355; 99) | 10.2 ± 0.4 | 6.9 ± 0.5 | 1.5 | 5.4 ± 0.2 | 3.4 ± 0.2 |
Z. capensis (n = 34) | 3.7 ± 2.2 (0–55; 0) | 14.0 ± 1.0 | 5.9 ± 0.6 | 2.4 | 6.6 ± 0.4 | 4.0 ± 0.3 |
Cavity dimensionsb | Height from ground | Entrance diameter | Entrance height | Interior depth | Interior height | DCHc |
T. falcklandii (n = 12) | 388.6 ± 78.3 (81–1120; 319) | 13.2 ± 2.3 | 3.9 ± 34 | 34.2 ± 2.4 | 22.0 ± 4.4 | 56.1 ± 4.1 |