IBA Species Data for Riverton Wildlife Area

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

SpeciesDateNumberBreeding StatusComments
Greater Prairie-Chicken8/7/2012 CO-FL
Greater Prairie-Chicken7/30/2012 PO-H
Greater Prairie-Chicken4/2/2012 PR-C
Greater Prairie-Chicken3/30/2012 PO-H
Greater Prairie-Chicken4/6/2011 PR-T
Greater Prairie-Chicken3/28/2011 PR-T
Greater Prairie-Chicken4/7/2009 PR-C
Greater Prairie-Chicken7/3/2008 CO-AY
Greater Prairie-Chicken6/26/2008 PO-H
Greater Prairie-Chicken6/16/2008 PO-H
Black-billed Cuckoo5/27/20221  CHECKLIST
Black-billed Cuckoo7/12/20081 
Black-billed Cuckoo7/12/20081  Photos
Black-billed Cuckoo7/11/20081 
Black-billed Cuckoo7/11/20041 
Black-billed Cuckoo7/11/20041OB-O
Black-billed Cuckoo7/11/20041PO-H
Common Gallinule4/30/20121 
Common Gallinule10/27/20061 
Piping Plover5/5/20111 
Piping Plover4/29/20111 
American Woodcock4/18/20129 
American Woodcock3/16/20121 
American Woodcock4/6/2011 PR-T
American Woodcock3/21/20105 
Least Tern4/10/20111  Small tern with white forehead,black cap,yellow bill,greyish back and wings. black on outermost primaries.Deeply forked tail. Closest veiw was 40 yards.
Least Tern7/12/20081  1 adult
Least Tern7/12/20081  Adult
Black Tern5/12/201710 
Black Tern5/24/2011160 
Black Tern5/22/2011230 
Black Tern5/20/2011280 
Black Tern5/11/201186 
Black Tern5/13/2010146 
Black Tern5/28/2009327 
Black Tern5/15/200956 
Black Tern6/3/200889 
Black Tern5/14/2008168 
Black Tern5/6/20082 
Black Tern5/3/20081 
Black Tern5/30/200568 
Black Tern5/13/200317 
Black Tern5/25/19981 
Forster's Tern5/1/201116 
Forster's Tern4/30/201165 
Forster's Tern5/8/200927 
Forster's Tern4/22/200611 
American Bittern4/18/20121 
American Bittern5/1/20111 
American Bittern5/14/20092 
American Bittern5/23/20082 
American Bittern5/7/20082 
American Bittern8/21/20073 
Least Bittern5/23/20081 
Least Bittern7/11/20041 
Least Bittern7/11/20042 
Least Bittern7/11/20042OB-O
Least Bittern7/11/20043PO-X
Least Bittern5/25/19981 
Black-crowned Night-Heron4/30/20121  Adult
Black-crowned Night-Heron4/24/20112 
Black-crowned Night-Heron5/14/20092 
Black-crowned Night-Heron5/13/20031 
Northern Harrier4/9/20221  CHECKLIST
Northern Harrier4/6/2011 PR-P
Northern Harrier3/26/2010 PO-H
Northern Harrier4/10/2009 PO-H
Northern Harrier4/9/2009 OB-O
Northern Harrier10/12/20085 
Northern Harrier4/12/20084 
Northern Harrier2/2/20083  2 juv. 1 male
Northern Harrier1/15/20084  All males
Northern Harrier1/29/20075  3 ad. male 2ad. f.
Northern Harrier1/12/20079 
Northern Harrier10/4/20068 
Bald Eagle3/13/20221  CHECKLIST
Bald Eagle2/19/20221  Thane Dinsdale (eBird)
Bald Eagle6/2/2012 OB-O
Bald Eagle5/5/2012 OB-O
Bald Eagle3/16/2012 CO-ON
Bald Eagle5/19/2011 CO-NY
Bald Eagle3/6/201188 
Bald Eagle2/17/201151 
Bald Eagle2/1/200963 
Bald Eagle12/8/20076 
Bald Eagle4/21/20071  nest riverton south unit
Bald Eagle11/25/20025 
Bald Eagle12/19/20019 
Bald Eagle11/29/200010 
Bald Eagle12/15/19997 
Bald Eagle11/12/19986 
Red-shouldered Hawk10/27/20061 
Barn Owl7/22/2009 PR-T
Barn Owl6/3/20001 
Long-eared Owl3/18/20101  Roadkill
Long-eared Owl2/8/20101 
Long-eared Owl11/25/20085  Roosting on a log on the ground in a willow grove.
Long-eared Owl3/1/20081 
Short-eared Owl4/18/2012 PR-T
Short-eared Owl4/6/2011 PO-H
Short-eared Owl7/11/2009 PO-H
Short-eared Owl3/13/20091  jenson tract
Short-eared Owl2/19/20091 
Short-eared Owl12/12/20082 
Short-eared Owl2/13/20081 
Short-eared Owl4/12/20072 
Short-eared Owl1/28/20071 
Pileated Woodpecker4/8/20071 
Peregrine Falcon5/5/20111 
Peregrine Falcon4/28/20111  1 adult
Peregrine Falcon4/13/20111 
Peregrine Falcon5/7/20091  Jon Dunn
Peregrine Falcon5/15/20081 
Peregrine Falcon5/6/20081 
Peregrine Falcon5/13/20061 
Peregrine Falcon4/22/20061 
Peregrine Falcon4/30/20052 
White-eyed Vireo8/7/2012 PR-A
Bell's Vireo7/23/20222  CHECKLIST
Bell's Vireo6/6/20222  CHECKLIST
Bell's Vireo6/3/20221  CHECKLIST
Bell's Vireo6/16/20194  CHECKLIST
Bell's Vireo6/23/20185  CHECKLIST
Bell's Vireo8/22/20176  Singing loudly
Bell's Vireo6/24/20171  CHECKLIST
Bell's Vireo5/17/20141 
Bell's Vireo9/10/20132 
Bell's Vireo9/9/20131 
Bell's Vireo8/1/20135 
Bell's Vireo8/7/2012 CO-AY
Bell's Vireo8/7/2012 PR-A
Bell's Vireo6/13/2012 PO-X
Bell's Vireo6/2/2012 PO-X
Bell's Vireo5/5/2012 PO-X
Bell's Vireo5/20/20116 
Bell's Vireo6/24/2009 PO-X
Bell's Vireo6/5/2009 PO-X
Bell's Vireo5/19/20092 
Bell's Vireo5/16/2009 PO-X
Bell's Vireo7/4/2008 PR-M
Bell's Vireo6/25/2008 PO-H
Bell's Vireo6/16/2008 PO-X
Bell's Vireo7/14/20051 
Bell's Vireo7/11/20041 
Bell's Vireo7/11/20041OB-O
Bell's Vireo7/11/20041PO-X
Loggerhead Shrike2/27/20161 
Loggerhead Shrike8/7/2012 CO-FL
Loggerhead Shrike7/30/2012 PO-H
Loggerhead Shrike12/3/20111 
Loggerhead Shrike7/14/2011 PO-H
Loggerhead Shrike1/29/20111 
Loggerhead Shrike3/21/20101 
Loggerhead Shrike11/28/20091 
Loggerhead Shrike4/18/20091 
Loggerhead Shrike6/16/2008 PO-H
Loggerhead Shrike4/2/20081 
Loggerhead Shrike4/8/20071 
Loggerhead Shrike4/8/20072 
Loggerhead Shrike4/3/20051 
Wood Thrush8/7/2012 PR-A
Wood Thrush5/26/2008 PR-T
Wood Thrush5/28/20071 
Wood Thrush7/11/20041 
Wood Thrush7/11/20041OB-O
Wood Thrush7/11/20042 
Wood Thrush7/11/20042PO-X
Grasshopper Sparrow7/30/2012 CO-AY
Grasshopper Sparrow6/13/2012 PO-X
Grasshopper Sparrow7/14/2011 PR-M
Grasshopper Sparrow7/21/2009 PO-X
Grasshopper Sparrow7/11/2009 PR-M
Grasshopper Sparrow6/24/2009 PO-X
Grasshopper Sparrow6/24/2009 PR-M
Grasshopper Sparrow6/5/2009 PO-X
Grasshopper Sparrow6/26/2008 CO-FL
Grasshopper Sparrow6/25/2008 CO-NY
Grasshopper Sparrow6/16/2008 CO-NE
Grasshopper Sparrow6/16/2008 PR-M
Grasshopper Sparrow5/22/19982 
Henslow's Sparrow7/30/2012 PR-M
Henslow's Sparrow4/18/20121 
Henslow's Sparrow7/14/2011 PR-M
Henslow's Sparrow7/11/2009 PR-A
Henslow's Sparrow6/26/2008 CO-NE
Henslow's Sparrow6/25/2008 CO-NY
Henslow's Sparrow6/16/2008 PO-X
Yellow-breasted Chat8/7/2012 PR-A
Yellow-breasted Chat7/4/2008 PO-X
Yellow-breasted Chat7/4/20081  Singing male; photos
Bobolink7/30/2012 CO-AY
Bobolink5/30/2012 PO-X
Bobolink7/14/2011 PR-P
Bobolink5/1/20111  Male
Bobolink7/21/2009 PR-M
Bobolink7/11/2009 PR-M
Bobolink5/9/20092 
Bobolink6/26/2008 PR-A
Bobolink6/25/2008 CO-NE
Bobolink6/16/2008 PR-M
Bobolink8/12/200786 
Bobolink5/3/20075 

Species Concentrations

Species Name/GroupDateNumberComments
American Coot10/18/200810,000
American Coot4/12/20072,500
American White Pelican3/25/20112,000
Migrating Eagles3/6/201188
Shorebirds5/24/2011948
Shorebirds5/22/2011840
Shorebirds5/11/20111,153
Shorebirds5/5/20111,188
Shorebirds4/30/20111,286
Shorebirds4/20/2011803
Shorebirds5/13/20103,040
Shorebirds5/28/20091,728
Shorebirds5/7/2009934
Shorebirds5/18/2008627
Shorebirds5/13/20064,460
Shorebirds4/22/2006560
Shorebirds5/6/20059,276
Shorebirds4/30/20052,492
Shorebirds5/13/2002500
Single-species10/29/20034,000
Single-species2/22/200210,000 Snow Goose
Waterfowl2/20/2016403,636
Waterfowl3/4/201267,000
Waterfowl3/2/2012750,000
Waterfowl1/22/20125,206
Waterfowl4/10/20112,500
Waterfowl3/12/201122,370
Waterfowl3/5/201198,638
Waterfowl4/3/20102,432
Waterfowl3/22/20101,000
Waterfowl12/3/200940,000
Waterfowl2/19/200910,000
Waterfowl12/6/200815,000
Waterfowl11/21/200840,000
Waterfowl10/12/200811,600
Waterfowl3/18/200810,000
Waterfowl3/16/200830,003
Waterfowl3/15/200820,000
Waterfowl3/11/200810,002
Waterfowl3/1/2008105,000
Waterfowl4/8/20075,166
Waterfowl3/14/200776,716
Waterfowl4/9/20061,586
Waterfowl3/4/20068,600
Waterfowl10/29/200321,350
Waterfowl11/25/200260,000
Waterfowl12/19/2001120,000
Waterfowl11/29/2000110,000
Waterfowl12/15/199976,000
Waterfowl11/12/199840,340