Here is what I managed to get photos of:
Black and White Warbler
Black-throated Blue Warbler (female)
Black-throated Blue Warbler (male)
Black-throated Green Warbler
Cape May Warbler
Wilson Warbler (not very good photo but good for ID)
Canada Warbler (not a good photo but good for ID)
A few others photographed but shown: Woodcock (nesting), Rose-breasted Grosbeak (male & female), Gray Catbird and the Bald Eagle.
Next stop Detroit Zoo.