 |  |
| NUMERIC CODE |
ALPHA ABBREVIATION |
DEFINITION |
| 0 | U | Unknown |
| 4 | M | Male |
| 5 | F | Female |
| 6* | |
Male, but sex not indicated on banding schedule. Sex determined at a subsequent encounter. |
| 7* | Female, but sex not indicated on banding schedule. Sex determined at a subsequent encounter. |
* banders should not use codes 6 and 7 or the biological symbols for male and female when completing a banding schedule.
