Expect under-canopy species like Wood Thrush, Ovenbird, Kentucky Warbler, Summer and Scarlet Tanager, and Yellow-billed Cuckoo. Open areas provide habitat for various edge species.

Important Bird Area.
This unit is nearly three times larger than the adjacent Lucas Unit, and somewhat less accessible. Upland hardwood forest with some open areas. Iowa DNR manages this unit for Wild Turkey. There is an extensive system of minimally maintained multi-use trails. This unit intentionally provides recreation opportunities for equestrian enthusiasts, with a very large equestrian campground and a network of trails appropriate for equestrian use.

 
Southwest of Lucas in western Lucas Co. About two miles south on U.S. 65 from the town of Lucas, look for signs to the Whitebreast Unit to the west. If visiting the Lucas Unit, simply exit this forest unit to the south and turn right at 467th St. intersection. After about a mile you will enter the Whitebreast Unit. Note that the only vehicle access to this unit is from the east. The forest road has a western terminus and you cannot exit the forest from there to points west.

 
This unit is primarily upland mature oak forest, though there is evidence of silviculture with tracts of non-native species here and there, and occasional open areas of various degrees of brushiness. This is a public hunting area.

Ruffed-grouse population established; Chuck-will's-widow, Kentucky Warbler, and Veery nesting. In addition, Cooper's Hawk, American Woodcock, Barred Owl, White-eyed Vireo, Blue-winged Warbler, Ovenbird, and Field Sparrow nest here.