IORC Record 1986-049

Form: Great Black-backed Gull
County: Rock Island
Location: Mississippi River between Moline, IL and Bettendorf, IA
Date(s): 21 December 1986 to 11 January 1987
Number of birds: one
Remarks:

Documentation submitted:

1. Documentation #1 by Gil Sandrick
2. Documentation #2 by Peter C. Petersen

This page was last updated on 13 March 2023