- IORC Number
- 1985.134
- Species/Form in Question
- Thayer's Gull
- Scientific Name
- Larus thayeri
- Current Status of Record:
- Accepted
- Date of Initial Sighting:
- 1985-11-27
- Date of Last Sighting:
- 1985-11-27
- Quantity:
- 1
- Age/Gender:
- Observers(s)
- John Wier
- Location
- Zion
- Counties Observed in:
- Lake
- References
- 1st IORC Report
- Details