- IORC Number
- 1988.117
- Species/Form in Question
- Great Black-backed Gull
- Scientific Name
- Larus marinus
- Current Status of Record:
- Accepted
- Date of Initial Sighting:
- 1988-12-18
- Date of Last Sighting:
- 1988-12-28
- Quantity:
- 1
- Age/Gender:
- Adult or subadult
- Observers(s)
- Larry R. Jones
- Location
- Rock Falls
- Counties Observed in:
- Whiteside
- References
- 3rd IORC Report
- Details