- IORC Number
- 1986.050
- Species/Form in Question
- Great Black-backed Gull
- Scientific Name
- Larus marinus
- Current Status of Record:
- Accepted
- Date of Initial Sighting:
- 1986-12-27
- Date of Last Sighting:
- 1986-12-27
- Quantity:
- 1
- Age/Gender:
- Second or third year
- Observers(s)
- James Landing
- Location
- Lake Calumet
- Counties Observed in:
- Cook
- References
- 2nd IORC Report
- Details