| CaptureID | | Nominal | Unique identification number for record |
| CaptureDate | | Date/time | Date bird was captured |
| Watershed | | Nominal | Watershed code of bird was captured on |
| SpeciesCode | | Nominal | American Ornithologists’ Union/American Ornithological Society species code |
| CaptureTime | | Date/time | Time bird captured |
| CaptureMethod | | Nominal | Time bird captured |
| Recap | | Nominal | True or False if bird was previously captured |
| BandPrefixNumber | | Physical quantity | First four numbers on Federal silver band |
| BandSuffixNumber | | Physical quantity | Last five numbers on Federal silver band |
| ColorBands | | Nominal | Unique 4 color leg-band pattern |
| Age | | Nominal | Age of captured bird |
| HowAged | | Nominal | Basis for aging decision |
| Sex | | Nominal | Sex of captured bird |
| CP | | Physical quantity | Cloacal Protuberance Scale (males only) |
| BP | | Physical quantity | Brood Patch Scale (females only) |
| HowSexed | | Nominal | Basis for sexing decision |
| HeadBill | | Physical quantity | Distance from back of head to end tip of bill |
| Tarsus | | Physical quantity | Length of tarsus |
| WingChord | | Physical quantity | Length of (unflattened) wing chord |
| FatScore | | Physical quantity | Visible, subcutaneous furcular fat score |
| BloodSample | | Nominal | Was a blood sample taken? |
| BirdMass | | Physical quantity | Mass of bird |
| HowWeighed | | Nominal | Instrument used to mass bird |
| Bander | | Nominal | Initials of person responsible for banding bird |
| Photos | | Nominal | TRUE if photos (head, wing) were taken of the bird |
| TotalBlood | | Physical quantity | μl of whole blood collected |
| Haematocrit | | Physical quantity | Percent of haematocrit to total blood amount (mm= μl) |
| Feather | | Nominal | TRUE if a feather taken at capture |
| FeatherCollected | | Nominal | Which feather was collected? P = primary |
| ConcTRIG | | Physical quantity | Concentration of triglycerides in plasma |
| TRIG | | Nominal | Was the CV over 20? |
| ConcBUTY | | Physical quantity | Concentration of β-hydroxy Butyrate |
| BUTY | | Nominal | TRUE if CV was over 20% |
| FatMass | | Physical quantity | Mass of fat as measured by QMR |
| LeanMass | | Physical quantity | Mass of muscle as measured by QMR |
| BodyWater | | Physical quantity | Mass of body water as measured by QMR |
| PositionRegion | | Nominal | UTM Zone |
| PositionX | | Physical quantity | Easting (latitude) |
| PositionY | | Physical quantity | Northing (longitude) |
