The Illinois Ornithological Records Committee (IORC) recently concluded evaluations of 10 records of the occurrence of rare birds in Illinois. […]
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Category: IOS
Birds and Baristas in Lake County
IOS Summer Field Trip Series: Birds and Baristas! Every Thursday in June and July in locations around Lake County, IL […]
Read More → Crested Caracara added to State List
The record of Crested Caracara from Fulton County in February 2023 (2023-004), recently accepted, is the first accepted record of […]
Read More → IORC Update, 21 Apr 2023: Records Reviewed
The Illinois Ornithological Records Committee (IORC) recently concluded evaluations of 10 records of the occurrence of rare birds in Illinois. […]
Read More → Migration Madness in Illinois
Join a Spring Bird Walk this May all around the state IOS is excited to partner with field trip leaders all […]
Read More → Travel with IOS
IOS Kirtland’s Warbler Weekend with Sanctuary BirdingMay 26-29 in Iosco County, MichiganGuide: Sam Burckhardt IOS Mexico: Veracruz River of Raptors with […]
Read More → IORC Update, 25 Feb 2023: Records Reviewed
The Illinois Ornithological Records Committee (IORC) recently concluded evaluations of 15 records of the occurrence of rare birds in Illinois. […]
Read More → Upcoming Field Trips, Speaker Series, and Travel Opportunities
Field Trips and Speaker Series Click on each event to learn more and to register Virtual SpeakerPiping Plovers on the […]
Read More → IORC Update: changes to the Review List
At its 14 January 2023 annual meeting, the Illinois Ornithological Records Committee (IORC) removed Evening Grosbeak from the Review List. […]
Read More → IORC Update, 12 Feb 2023: membership for 2023
The Illinois Ornithological Records Committee, or IORC, is the committee of the Illinois Ornithological Society that evaluates records of rare […]
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