Duck, Wood***
Description: A colorful duck, the wood duck is commonly visible in lakes with its tail end sticking up, perched in trees, or using nesting boxes in the Barbara Brown Nature Reserve.
Duck, Ring-necked
Description: This is a water-loving black-and-white diving duck that may be found on any of the lakes, mostly in spring.
Duck, American Black
Description: A very rare, non-diving duck, it resembles a dark female mallard, and may be seen on Garden lakes or in the Skokie River.
Dowitcher, Short-billed
Description: This is a medium-to-large shorebird often spotted on the shoreline or the mudflats south of the Dixon Prairie.
Dove, Rock***
Description: This dove can be commonly seen flying over the Garden or around the landscape.
Dove, Mourning***
Description: This dove is a common bird that can be found all over the Garden all year long.
Dickcissel
Description: If seen at all, this erratic, grassland visitor will likely be in the Dixon Prairie.
Cuckoo, Yellow-billed**
Description: This bird is often heard, but less often seen, in shrubby areas or the McDonald Woods foraging for caterpillars.
Cuckoo, Black-billed*
Description: This state-threatened species is often heard, but less often seen, in shrubby areas or in the McDonald Woods foraging for caterpillars.
Crow, American***
Description: Although their numbers were greatly reduced by West Nile virus, these easily identified birds are once again common throughout the year.