|Annotated Checklist and Explanation of Codes|
|Black-billed Cuckoo, Coccyzus erythropthalmus [SR -, u,
u-c, u-c ** n b]
Black-billed Cuckoos are in some years common in woodland edge and bushy areas. In other years they are uncommon. Active nests have been found as late as early September. Cuckoos have been less common in the 1990's.
|Yellow-billed Cuckoo, C. americanus [SR -, r, r, r ( )]
Yellow-billed Cuckoos are rare summer residents at Cedar Creek. They have been found in 1978, 1984, 1985, and 1986 near the laboratory.