Swamp Sparrow
10/24/2020 Grundy County, Illinois
10/29/2017 Goose Lake Prairie State Natural Area Grundy County, Illinois
10/08/2017 Grundy County, Illinois
4/15/2017 Goose Lake Prairie State Natural Area Grundy County, Illinois
12/23/2016 Grundy County, Illinois
11/09/2016 Goose Lake Prairie State Natural Area Grundy County, Illinois
10/10/2015 Goose Lake Prairie Grundy County, Illinois
10/10/2014
9/27/2014
10/19/2013
10/06/2013
4/11/2013
9/29/2012
10/23/2011
