Species selected by the Technical Committee as being of high conservation priority.
A site has to support at least three species from this category in order to be nominated.
The same three species must be present at the site for 2 or more years out of the
previous 6 years (since 1999) with evidence of either confirmed or probable breeding
according to definitions given in the Iowa Breeding Bird Atlas, figure 4, page 5.
(See Appendix for habitat assemblages for category 2 species.)
Greater Prairie-Chicken
|
Black-billed Cuckoo
|
Chuck-will's-widow
|
Common Gallinule
|
American Woodcock
|
Black Tern
|
Forster's Tern
|
American Bittern
|
Least Bittern
|
Black-crowned Night-Heron
|
Bald Eagle
|
Broad-winged Hawk
|
Pileated Woodpecker
|
White-eyed Vireo
|
Bell's Vireo
|
Loggerhead Shrike
|
Bewick's Wren
|
Veery
|
Wood Thrush
|
Grasshopper Sparrow
|
Henslow's Sparrow
|
Yellow-breasted Chat
|
Bobolink
|
Worm-eating Warbler
|
Kentucky Warbler
|
Hooded Warbler
|
Cerulean Warbler
|