- IORC Number
- 2007.002
- Species/Form in Question
- Black-headed Gull
- Scientific Name
- Chroicocephalus ridibundus
- Current Status of Record:
- Accepted
- Date of Initial Sighting:
- 2007-02-24
- Date of Last Sighting:
- 2007-03-25
- Quantity:
- 1
- Age/Gender:
- Adult in basic plumage
- Observers(s)
- John W. Hockman, Emil J. Martinec
- Location
- Montrose Point, Chicago
- Counties Observed in:
- Cook
- References
- 13th IORC Report
- Details