IBA Species Data for Spring Run BCA

These two tables show the data collected on criteria species and species concentrations as defined by the IBA technical committee. The data comes from the original IBA data collection process, Iowa Seasonal Field Reports, and the recent Breeding Bird Atlas project (2008-2012).

Criteria Species

Species	Date	Number	Breeding Status	Comments
Greater Prairie-Chicken	5/29/2003	1	OB-O
Common Gallinule	7/31/1999	10
Common Gallinule	7/24/1999	1
American Woodcock	4/9/2002	2
Black Tern	7/21/2024	2		CHECKLIST
Black Tern	7/7/2023	1		CHECKLIST
Black Tern	5/28/2023	4		CHECKLIST
Black Tern	7/10/2020	6
Black Tern	6/1/2014	3
Black Tern	5/31/2014	10
Black Tern	5/25/2011		CO-ON
Black Tern	6/2/2010		PR-P
Black Tern	6/27/2009		CO-AY
Black Tern	6/27/2009	7	CO-AY	2+ nests
Black Tern	6/26/2009		CO-NY
Black Tern	6/30/2007	4		two pairs but could not confirm nesting
Black Tern	7/15/2006	11	OB-O	5 adults, 6 immatures
Black Tern	7/26/2004	2	PO-H
Black Tern	7/25/2004	3	PO-H
Black Tern	7/1/2004	6	PO-H
Black Tern	5/31/2004	24		Concentration on one wetland. They were throughout the area.
Black Tern	7/17/2003	10
Black Tern	7/9/2003	2
Black Tern	6/21/2003	16
Black Tern	6/18/2003	20
Black Tern	5/29/2003	3	PO-H
Black Tern	6/20/2001	2
Black Tern	7/10/1999	8
Black Tern	6/19/1998	3
Black Tern	5/25/1998	4
Forster's Tern	7/23/2011		PO-H
Forster's Tern	7/23/2011	5
American Bittern	4/21/2020	1
American Bittern	10/8/2018	4
American Bittern	5/29/2016	1
American Bittern	5/29/2016	1		CHECKLIST
American Bittern	5/15/2010	5
American Bittern	6/27/2009		PO-H
American Bittern	6/27/2009	1
American Bittern	7/29/2004	1	PO-H
American Bittern	9/6/2003	1
American Bittern	9/14/2002	1
American Bittern	10/13/2001	1
American Bittern	8/14/1999	1
Least Bittern	5/21/2012	1
Least Bittern	6/27/2009		PR-P
Least Bittern	6/27/2009	4
Least Bittern	9/6/2003	1
Least Bittern	7/15/2000	4
Least Bittern	6/5/1999	1
Least Bittern	5/5/1999	1
Black-crowned Night Heron	10/5/2018	1		Adult
Black-crowned Night Heron	9/18/2000	1
Northern Harrier	11/7/2022	2		CHECKLIST
Northern Harrier	9/4/2022	1		CHECKLIST
Northern Harrier	5/24/2015	1
Northern Harrier	6/1/2014	2
Northern Harrier	5/31/2004	1	PO-H	male
Broad-winged Hawk	5/2/2002	4
Short-eared Owl	1/4/2018	2
Peregrine Falcon	10/6/2019	1		Juvenile flyover
Peregrine Falcon	12/30/2000	1
Loggerhead Shrike	9/2/2002	2
Wood Thrush	5/20/2003	1
Grasshopper Sparrow	6/1/2014	1
Grasshopper Sparrow	5/31/2014	1
Grasshopper Sparrow	8/2/2012		PR-A
Grasshopper Sparrow	7/25/2011		PO-X
Grasshopper Sparrow	6/14/2011		PR-A
Grasshopper Sparrow	5/25/2011		PO-X
Grasshopper Sparrow	6/2/2010		PO-H
Grasshopper Sparrow	6/10/2009		PR-M
Grasshopper Sparrow	7/25/2004	1	PO-H
Grasshopper Sparrow	5/20/2003	1
Grasshopper Sparrow	6/15/2000	1
Henslow's Sparrow	6/16/2009		PR-P
Bobolink	7/21/2024	2		CHECKLIST
Bobolink	5/28/2023	1		CHECKLIST
Bobolink	9/2/2018	160		Largest flock I've ever encountered.
Bobolink	5/29/2016	15
Bobolink	5/29/2016	15		CHECKLIST
Bobolink	5/24/2015	10
Bobolink	6/1/2014	9
Bobolink	5/31/2014	15
Bobolink	5/21/2012		PR-M
Bobolink	6/14/2011		PR-M
Bobolink	5/25/2011		PR-M
Bobolink	6/2/2010		PO-X
Bobolink	6/27/2009		PR-P
Bobolink	6/26/2008		CO-NY
Bobolink	7/26/2004	2	PO-H
Bobolink	8/3/2003	1
Bobolink	6/21/2003	6

Species Concentrations

Species Name/Group	Date	Number
Pied-billed Grebe	9/24/2005	192
Single-species	9/24/2005	96
Single-species	9/27/2003	1,000