WhenToBird

Birding spots · Illinois

Best Birding Spots in Brown County, Illinois

Big Lake leads Brown County's birding spots with 133 species reported, best in spring. 2 spots in the county have enough data to rank.

Species counts are birds reported at least three times in that season at that spot, 2016–2025. Busy spots list more species simply because more people look, so compare the checklist counts. Spot names come from public map data and hotspot listings.

SpotSpeciesChecklistsWinterSpringSummerFall
Big Lake1337036968334
Weinberg-King State Fish and Wildlife Area1267146991618