- IORC Number
- 1986.049
- Species/Form in Question
- Great Black-backed Gull
- Scientific Name
- Larus marinus
- Current Status of Record:
- Accepted
- Date of Initial Sighting:
- 1986-12-21
- Date of Last Sighting:
- 1987-01-11
- Quantity:
- 1
- Age/Gender:
- Adult
- Observers(s)
- Gil Sandrick; Peter C. Petersen
- Location
- Mississippi River
- Counties Observed in:
- Rock Island
- References
- 2nd IORC Report
- Details