| RecYear | RecYear | Physical quantity | Year of record |
| RecMonth | RecMonth | Date/time | Month of record |
| RecDay | RecDay | Date/time | Day of record |
| Season | Season | Nominal | Round of survey |
| Transnum | TRANSNUM | Nominal | Transect number(#7 & 11 invalid) |
| Watershed | WATERSHED | Nominal | watershed (S00A-Shane Creek,G00A-North branch of Kings Creek, L00A-Lower Kings Creek) |
| Obsnum | OBSNUM | Nominal | Observation number |
| Specname | SPECNAME | Nominal | Species name |
| AOUcode | AOUCODE | Nominal | Standardized 4-letter alpha code for bird name |
| Common name | COMMONNAME | Nominal | Standardized common name of bird |
| Distance | DISTANCE | Physical quantity | Perpendicular distance to observed |
| Sex | SEX | Nominal | Sex of bird m-male f-female u-unknown |
| Status | STATUS | Nominal | Residency status code |
| Comments | COMMENTS | Nominal | For obsnum=1, includes start and end time |
| Time | TIME | Nominal | For obsnum=1, start and end time of survey (CT) |
| Duration | DURATION | Nominal | For obsnum=1, duration of survey |
| Observer | OBSERVER | Nominal | For obsnum=1, person who conducted bird survey |
