Mystery Singing Bird is a Yellow-billed Cuckoo

Yellow-billed Cuckoo — Rain Crow

Yellow-billed Cuckoo - Rain Crow

Friday mystery object #307 answer

Wendy Paulson's Birds of Barrington Black-billed Cuckoo - 365Barrington

Getting to Know: Ontario's Cuckoos

Wendy Paulson's Birds of Barrington Yellow-billed Cuckoo - 365Barrington

Yellow Billed Cuckoo Song

Maryland Biodiversity Project - Yellow-billed Cuckoo (Coccyzus americanus)

How Ecologists are Using Sound to Detect an Elusive Bird Smithsonian's National Zoo and Conservation Biology Institute

Getting to Know: Ontario's Cuckoos

Blog - Birds and Blooms

When Caterpillars Move In, the Yellow-Billed Cuckoo Feasts - The New York Times