The Illinois Ornithological Records Committee (IORC) recently concluded evaluations of 62 records of the occurrence of rare birds in Illinois. […]
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Category: IORC
IORC Update, 14 November 2020: Records Reviewed
The Illinois Ornithological Records Committee (IORC) recently concluded evaluations of 17 records of the occurrence of rare birds in Illinois. […]
Read More → IORC Update, 7 August 2020: Records Reviewed
The Illinois Ornithological Records Committee (IORC) recently concluded evaluations of 16 records of the occurrence of rare birds in Illinois. […]
Read More → IORC Update, 11 July 2020: Records Reviewed
The Illinois Ornithological Records Committee (IORC) recently concluded evaluations of 25 records of the occurrence of rare birds in Illinois […]
Read More → IORC Update, 17 March 2020: Records Reviewed
The Illinois Ornithological Records Committee (IORC) recently concluded evaluations of five records of the occurrence of rare birds in Illinois […]
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IORC Web Resources and Review Files
The Illinois Ornithological Records Committee (IORC) has recently made publicly available, via a set of web pages, a variety of information related […]
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Additions to the Official Illinois State List of Birds during 2019
One of the purposes of the Illinois Ornithological Records Committee (IORC), per its bylaws, is “to maintain the official Illinois […]
Read More → Changes to Species Status on the Official List of Birds
At its Annual Meeting on 16 February 2020, the Illinois Ornithological Records Committee (IORC) made adjustments to the definitions of […]
Read More → IORC Update, 19 February 2020: Records Reviewed
The Illinois Ornithological Records Committee (IORC) recently concluded evaluations of 40 records of the occurrence of rare birds in Illinois […]
Read More → IORC Update, 4 December 2019
The Illinois Ornithological Records Committee (IORC) recently concluded evaluations of 29 records of the occurrence of rare birds in Illinois […]
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