The Black-Billed Cuckoo is a medium-sized bird found primarily in North America. It has a distinctive black bill, olive-brown upperparts, and white underparts with faint streaks. This bird prefers dense woodlands and shrubby areas, where it can easily find its food, which mainly consists of caterpillars and other insects. During the breeding season, the Black-Billed Cuckoo is known for its unique call, which sounds like a series of soft coos. These birds are often elusive, making them difficult to spot. They are migratory, spending winters in Central America and returning to their breeding grounds in the spring.