IBA Species Data for Swan Lake State Park

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
Common Gallinule5/29/20171  heard
Common Gallinule9/1/20131 
American Woodcock3/15/20033 
Black Tern5/17/202528 
Black Tern5/16/20258  CHECKLIST
Black Tern5/15/202517  CHECKLIST
Black Tern8/24/20241  CHECKLIST
Black Tern5/23/20224  CHECKLIST
Black Tern5/6/20221  CHECKLIST
Black Tern5/7/20121 
Forster's Tern5/1/20223  CHECKLIST
Forster's Tern5/1/20223  CHECKLIST
Forster's Tern5/1/20224  CHECKLIST
Forster's Tern4/30/20224  CHECKLIST
Forster's Tern4/30/20225  CHECKLIST
Forster's Tern5/2/20093 
Least Bittern8/24/20241  CHECKLIST
Bald Eagle5/16/20251  CHECKLIST
Bald Eagle12/26/20241  CHECKLIST
Bald Eagle12/26/20241  CHECKLIST
Bald Eagle12/26/20242  CHECKLIST
Bald Eagle12/26/20241  CHECKLIST
Bald Eagle12/26/20241  CHECKLIST
Bald Eagle12/26/20242  CHECKLIST
Bald Eagle7/24/20231  CHECKLIST
Bald Eagle1/16/20231  CHECKLIST
Bald Eagle4/29/20221  CHECKLIST
Bald Eagle2/21/20221  Victor Webber (eBird)
Bald Eagle12/30/20211  Matt Wetrich (eBird)
Bald Eagle12/22/20212  Wolfgang Oesterreich (eBird)
Bald Eagle12/6/20211  Matt Wetrich (eBird)
Bald Eagle4/24/20061 
Red-shouldered Hawk3/3/20221  CHECKLIST
Red-shouldered Hawk1/22/20221  Dean Schettler (eBird) At the entrance to the park believed to be same bird seen on and off since March of 2020. Still there when I left the park 1:00.
Red-shouldered Hawk1/20/20221  Matt Wetrich (eBird) Continuing adult
Red-shouldered Hawk1/20/20221  Victor Webber (eBird) Photos
Red-shouldered Hawk12/24/20211  Steve Murkowski (eBird) Hawk about the size of Red-tailed. Orange barred breast, dark back with white spots. See photo. Continuing.
Red-shouldered Hawk12/14/20211  Matt Wetrich (eBird) Continuing. Seen in trees near Ed Center parking lot. A first to see it in that spot for me.
Red-shouldered Hawk12/4/20211  Connor Langan (eBird) Near the southwest entrance of the park; a continuing bird in this area. Plenty of photos.
Red-shouldered Hawk12/4/20211  Ethan Ellis (eBird) Near the southwest entrance of the park; a continuing bird in this area. Plenty of photos.
Red-shouldered Hawk12/4/20211  Hannah Leabhart (eBird) Near the southwest entrance of the park; a continuing bird in this area. Plenty of photos.
Red-shouldered Hawk12/4/20211  Mary Kate Shaver (eBird) Near the southwest entrance of the park; a continuing bird in this area. Plenty of photos.
Red-shouldered Hawk12/4/20211  Will Carlson (eBird) Near the southwest entrance of the park; a continuing bird in this area. Plenty of photos.
Red-shouldered Hawk12/3/20211  Matt Wetrich (eBird) Almost certainly the returning individual that has over-wintered here the last several years. I've been watching for it to return. Today is the first day of the fall/winter it has been seen.
Red-shouldered Hawk12/3/20211  Victor Webber (eBird) Photo. One has been showing up here for the last 4 years. Could be the same one.
Red-shouldered Hawk3/22/19991 
Broad-winged Hawk5/1/20221  CHECKLIST
Broad-winged Hawk5/1/20221  CHECKLIST
Broad-winged Hawk5/1/20221  CHECKLIST
Broad-winged Hawk5/3/20091 
Broad-winged Hawk4/18/20083  Waiting out a rainstorm in a single tree. FOS
Long-eared Owl12/1/20213  Matt Wetrich (eBird)
Long-eared Owl2/1/20172 
Long-eared Owl2/8/20091 
Long-eared Owl12/26/20031 
Long-eared Owl12/21/20032 
Long-eared Owl3/5/20035 
Long-eared Owl1/25/20034 
Long-eared Owl1/25/20035 
Long-eared Owl3/15/19981 
Peregrine Falcon5/11/20031 
Loggerhead Shrike5/1/20221  CHECKLIST
Veery5/11/20141 
Hooded Warbler5/1/20081 
Cerulean Warbler5/20/20021 

Species Concentrations

Species Name/GroupDateNumberComments
Pied-billed Grebe4/20/201389
Pied-billed Grebe4/15/2012400
Waterfowl12/1/20011,500
Iowa Audubon

Birds of Iowa

  • Mourning Dove
    © Doug Harr
  • Ruby-crowned Kinglet
    © Doug Harr
  • Pied-billed Grebe
    © Doug Harr
  • American Bittern
    © Doug Harr
  • Great Blue Heron
    © Doug Harr
  • Common Gallinule
    © Doug Harr
  • Ring-billed Gull
    © Doug Harr
  • Merlin
    © Doug Harr
  • Yellow-breasted Chat
    © Doug Harr
  • House Finch
    © Doug Harr
  • Common Yellowthroat
    © Doug Harr
  • White-breasted Nuthatch
    © Doug Harr
  • Northern Shoveler
    © Doug Harr
  • Tree Swallow
    © Doug Harr
  • Yellow-headed Blackbird
    © Doug Harr
  • American Goldfinch
    © Doug Harr
  • Lesser Scaup
    © Doug Harr
  • Rose-breasted Grosbeak
    © Doug Harr
  • Broad-winged Hawk
    © Doug Harr
  • Downy Woodpecker
    © Doug Harr
  • Belted Kingfisher
    © Doug Harr
  • Song Sparrow
    © Doug Harr
  • Sora
    © Doug Harr
  • Northern Pintail
    © Doug Harr
  • Lark Sparrow
    © Doug Harr
  • Eastern Towhee
    © Doug Harr
  • Dickcissel
    © Doug Harr
  • Pine Warbler
    © Doug Harr
  • Mississippi Kite
    © Doug Harr
  • Cedar Waxwing
    © Doug Harr
  • Turkey Vulture
    © Doug Harr
  • Hermit Thrush
    © Doug Harr
  • Scarlet Tanager
    © Doug Harr
  • Eastern Wood-Pewee
    © Doug Harr
  • Pine Siskin
    © Doug Harr
  • Fox Sparrow
    © Doug Harr
  • Lesser Yellowlegs
    © Doug Harr
  • Least Sandpiper
    © Doug Harr
  • Trumpeter Swan
    © Doug Harr
  • Barred Owl
    © Doug Harr
  • Common Nighthawk
    © Doug Harr
  • American Redstart
    © Doug Harr
  • Gray Partridge
    © Doug Harr
  • Western Meadowlark
    © Doug Harr
  • Winter Wren
    © Doug Harr
  • American White Pelican
    © Doug Harr
  • Northern House Wren
    © Doug Harr
  • Tufted Titmouse
    © Doug Harr
  • Eastern Bluebird
    © Doug Harr
  • Prairie Warbler
    © Doug Harr
  • Blue Jay
    © Doug Harr
  • Eastern Kingbird
    © Doug Harr
  • Yellow-billed Cuckoo
    © Doug Harr
  • Red-bellied Woodpecker
    © Doug Harr
  • Ruby-throated Hummingbird
    © Doug Harr
  • Indigo Bunting
    © Doug Harr
  • Northern Cardinal
    © Doug Harr
  • Blue-gray Gnatcatcher
    © Doug Harr
  • Ring-necked Pheasant
    © Doug Harr
  • Yellow Warbler
    © Doug Harr
  • Red-eyed Vireo
    © Doug Harr
  • Blue-winged Teal
    © Doug Harr
  • Black-billed Magpie
    © Doug Harr

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