Before joining an Ohio Lepidopterists' trek down to Shawnee State Forest, I stopped at these quarry ponds in south Columbus, and had an interesting list in 15 minutes worth of birding.  Included among the haul were:

Wood Duck - 1 pair
Lesser Scaup - 3
Bufflehead - 4
Hooded Mergansers - 4
AmCoot - 2
Caspian Tern - 7
Tree Swallows - 80+
Rough-winged Swallow - 2
Bank Swallow (FOS) - 3
Song Sparrow - 8
Swamp Sparrow - 1 singing

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