| DataCode | | Nominal | Dataset code |
| RecType | | Physical quantity | Record type |
| CaptureID | | Physical quantity | Unique identification number for record |
| NetEventID | | Physical quantity | links to autonumber field in NetHours table |
| CaptureTime | | Date/time | Time bird captured |
| SpeciesCode | | Nominal | Species code which links to SpCode field in Species table |
| Recap | | Nominal | True or False if bird was previously captured |
| BandNo | | Nominal | 9 digit federal band number in XXXX-XXXXX format. Missing band# is NA |
| Age | | Nominal | Age of captured bird, U, HY, SY, TY, AHY, ASY, ATY: unknown, hatch year, second year, third year, after-hatch-year, after-second-year, or after-third-year. Note that on 1 January of each year, all birds enter the next year |
| Sex | | Nominal | Sex of captured bird, U, M, or F: unknown, male, or female |
| FatScore | | Physical quantity | Visible, subcutaneous furcular fat score. Numeric score from 0 to 6 (usually... up to 8 possible). |
| CP | | Physical quantity | Clocal Protruberance score from 0 to 5 |
| BP | | Physical quantity | Brood patch score from 0 to 5 |
| MoltScore | | Physical quantity | Molt Score, presence of actively molting feathers. Numeric score between 0 and 3 |
| WingChord | | Physical quantity | Length of (unflattened) wing chord |
| Tarsus | | Physical quantity | Length of tarsus |
| Bander | | Nominal | Initials of person responsible for banding bird and/or measured bird |
| FatMass | | Physical quantity | Mass of fat as measured by QMR |
| LeanMass | | Physical quantity | Mass of muscle as measured by QMR |
| TotalBodyWater | | Physical quantity | body water in g. As measured by QMR (Quantitative Magnetic Resonance |
| Comments | | Nominal | Comments for the data |