TABLE OF COMPARISONS.
| INCHES. | |
| Pygmy size | Length up to 5.00 |
| Warbler size | 5.00-6.00 |
| Sparrow size | 6.00-7.50 |
| Chewink size | 7.50-9.00 |
| Robin size | 9.00-12.00 |
| Little Hawk size, Teal size, Tern size | 12.00-16.00 |
| Crow size | 16.00-22.00 |
| Gull size, Brant size | 22.00-30.00 |
| Eagle size, Goose size | 30.00-42.00 |
| Giant size | 42.00 and upward |
Measurements are given in inches and hundredths and in millimeters, the latter enclosed in parentheses.