- IORC Number
- 1985.135
- Species/Form in Question
- Thayer's Gull
- Scientific Name
- Larus thayeri
- Current Status of Record:
- Accepted
- Date of Initial Sighting:
- 1985-11-30
- Date of Last Sighting:
- 1985-11-30
- Quantity:
- 1
- Age/Gender:
- Observers(s)
- Richard Palmer, Myrna Deaton
- Location
- Lake Springfield
- Counties Observed in:
- Sangamon
- References
- 1st IORC Report
- Details