- IORC Number
- 1985.153
- Species/Form in Question
- gull sp.
- Scientific Name
- Larinae sp.
- Current Status of Record:
- Accepted
- Date of Initial Sighting:
- 1985-01-06
- Date of Last Sighting:
- 1985-01-06
- Quantity:
- 1
- Age/Gender:
- Adult
- Observers(s)
- James Landing
- Location
- Navy Pier, Chicago
- Counties Observed in:
- Cook
- References
- 1st IORC Report
- Details
- An adult of the argentatus-thayeri-glaucoides complex. This bird showed dark brown eyes, but the patterning of its primaries approached that of Herring Gull rather than Thayer's.
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