Birds of North America Size chart
| 2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | |
| Poitrine |
32-33" 81-83cm |
33-34" 84-86cm |
34-35" 86-88cm |
35-36" 88-91cm |
37-38 " 93-96 cm |
39-40" 99- 101 cm |
41-42" 104-106 cm |
43-44" 109-111 cm |
46-47" 116-119 cm |
| Taille | 25-26" 63-66cm | 27-28" 68-71cm | 27-28" 68-71cm | 28-29" 71-73 cm | 30-31" 76-78 cm | 32-33" 81-83 cm | 34-35" 86-88 cm | 36-37" 91-93 cm | 39-40" 99-111 cm |
| Hanche | 35-36" 88-91cm | 37-38" 93-96cm | 37-38" 93-96 cm | 38-39" 96-99 cm | 40-41" 101-104 cm | 42-43" 106-109 cm | 44-45" 11-114 cm | 46-47" 106-109 cm | 49-50" 124-127 cm |