Title Genres Topics Date (Start) Date (End)
Annotated bird sighting list for spring 1981 compiled by Marion Brewer Field notes Surveys (documents) Recurvirostridae | Avocets and Stilts Bird watching Gruiformes | Cranes, Rails, and Coots Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Charadriiformes | Shore-birds, Gulls, and Auks Spring 1981-05-29 N/A
1984 & 1985 results: Illinois heron colony surveys Field notes Reports Surveys (documents) Bird surveys Birds--Counting Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks 1985-08-01 1985-11-30