IBA Species Data for Union Hills 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
Black-billed Cuckoo	6/30/2015	3
Black-billed Cuckoo	6/30/2015	3		Black-billed Cuckoos seem to be very abundant this summer. Many other sightings of one or two, at other locations.
Common Gallinule	8/24/2024	1		CHECKLIST
Common Gallinule	8/7/2024	5		CHECKLIST
Common Gallinule	6/4/2023	1		CHECKLIST
Common Gallinule	4/23/2023	2		CHECKLIST
Common Gallinule	7/27/2017	2
Common Gallinule	7/27/2017	2		Could tell the two were C. Gallinule, couldn't say if adult or juvenile, as at a distance. There was a pair in this area in May.
Common Gallinule	5/16/2017	2
Common Gallinule	5/16/2017	3
American Woodcock	5/24/2010		CO-FL
Black Tern	8/16/2024	1		CHECKLIST
Black Tern	8/3/2024	2		CHECKLIST
Black Tern	7/28/2007	5		one adult and four juveniles
Black Tern	6/7/2006	3	PO-H
Forster's Tern	4/27/2025	7		CHECKLIST
Forster's Tern	4/26/2025	4		CHECKLIST
Forster's Tern	4/26/2025	4		CHECKLIST
American Bittern	9/27/2024	2
American Bittern	4/23/2023	1		CHECKLIST
American Bittern	4/23/2023	1		CHECKLIST
American Bittern	4/23/2023	1		CHECKLIST
American Bittern	9/29/2018	1
American Bittern	7/31/2018	1		off of Eagle Ave.
American Bittern	4/17/2018	1
American Bittern	11/15/2013	1
American Bittern	8/1/2012		PO-H
American Bittern	5/25/2004	1		Katy
American Bittern	8/6/2001	1
American Bittern	6/11/1998	1
American Bittern	6/7/1998	3
Least Bittern	8/3/2024	1		CHECKLIST
Least Bittern	7/22/2024	1		CHECKLIST
Least Bittern	9/29/2018	1
Black-crowned Night Heron	9/27/2024	1
Black-crowned Night Heron	4/21/2020	1		Adult
Black-crowned Night Heron	6/24/2008		PO-H
Black-crowned Night Heron	6/11/1998	1
Black-crowned Night Heron	6/7/1998	1
Northern Harrier	4/27/2025	1		CHECKLIST
Northern Harrier	8/19/2024	1		CHECKLIST
Northern Harrier	8/3/2024	1		CHECKLIST
Northern Harrier	4/23/2023	2		CHECKLIST
Northern Harrier	4/23/2023	2		CHECKLIST
Northern Harrier	4/23/2023	3		CHECKLIST
Northern Harrier	3/13/2018	1
Northern Harrier	7/9/2015	1
Northern Harrier	7/29/2014	1
Northern Harrier	11/15/2013	1
Northern Harrier	4/24/2008		PO-H
Northern Harrier	4/9/2007	1
Northern Harrier	10/18/2005	3
Northern Harrier	8/17/2005	1
Northern Harrier	9/4/2003	1
Northern Harrier	1/8/2003	1
Northern Harrier	4/15/2002	1
Northern Harrier	1/8/2002	1
Northern Harrier	9/3/2001	2
Northern Harrier	6/7/1998	4
Bald Eagle	7/11/2023	1		CHECKLIST
Bald Eagle	4/23/2023	4		CHECKLIST
Bald Eagle	4/9/2023	2		CHECKLIST
Broad-winged Hawk	4/23/2023	4		CHECKLIST
Short-eared Owl	4/11/2025	1		CHECKLIST
Short-eared Owl	1/8/2002	1
Peregrine Falcon	4/23/2023	1		CHECKLIST
Peregrine Falcon	4/24/2020	1
Peregrine Falcon	5/19/2015	1
Peregrine Falcon	5/5/2015	1
Peregrine Falcon	4/15/2002	1
Wood Thrush	6/7/2008		PO-H
Grasshopper Sparrow	7/7/2023	2		CHECKLIST
Grasshopper Sparrow	8/1/2012		CO-FL
Grasshopper Sparrow	6/28/2011		PR-N
Grasshopper Sparrow	6/19/2011		PR-N
Grasshopper Sparrow	7/11/2008		PR-A
Grasshopper Sparrow	6/24/2008		PR-T
Grasshopper Sparrow	6/16/2008		PR-T
Grasshopper Sparrow	6/7/2008		PO-H
Henslow's Sparrow	8/3/2024	1		CHECKLIST
Henslow's Sparrow	7/25/2024	1		CHECKLIST
Henslow's Sparrow	6/4/2023	1		CHECKLIST
Henslow's Sparrow	5/30/2020	2
Henslow's Sparrow	6/2/2016	4
Henslow's Sparrow	7/15/2015	2
Henslow's Sparrow	10/10/2014	1
Henslow's Sparrow	8/1/2012		CO-AY
Henslow's Sparrow	8/1/2012		PR-M
Henslow's Sparrow	7/6/2011		CO-FL
Henslow's Sparrow	6/28/2011		PR-P
Henslow's Sparrow	6/19/2011		PR-A
Henslow's Sparrow	4/22/2006	1		calling
Bobolink	7/13/2025	1		CHECKLIST
Bobolink	5/25/2025	3		CHECKLIST
Bobolink	9/6/2024	106		CHECKLIST
Bobolink	8/3/2024	7		CHECKLIST
Bobolink	7/9/2023	16		CHECKLIST
Bobolink	7/7/2023	9		CHECKLIST
Bobolink	6/8/2023	1		CHECKLIST
Bobolink	6/4/2023	21		CHECKLIST
Bobolink	5/20/2023	8		CHECKLIST
Bobolink	8/1/2012		CO-AY
Bobolink	6/28/2011		PR-N
Bobolink	7/1/2010		CO-FL
Bobolink	6/7/2008		PO-X
Bobolink	6/7/2008		PR-M
Bobolink	6/7/2006	2	PO-H
Bobolink	6/24/2004	10	OB-O
Bobolink	9/4/2003	20

Species Concentrations

Species Name/Group	Date	Number
American White Pelican	9/6/2009	2,000
Single-species	10/2/2004	1
Single-species	10/2/2004	5