Black-billed Cuckoo

Black-billed Cuckoo
Adult at nest
- Brown head and back, white underparts
- Long tail and long, pointed wings
- Thin, curved black bill
- Red eye ring surrounds dark eye
- © Michael J.Hopiak/CLO

Black-billed Cuckoo
Adult
- Elongated shape
- Warm brown head and back, white underneath
- Slightly curved black bill with red eye ring
- Long, graduated tail with small white spots capping each pair of tail-feathers
- © Christopher L. Wood, MN, Park Point, June 2010

Black-billed Cuckoo
Adult
- Warm brown back with white underparts
- Long, pointed wings
- Black bill with red eye ring surrounding dark eye
- Long tail
- © Guy Lichter, Fort Whyte, Manitoba, Canada, June 2009

Black-billed Cuckoo
Immature
- Grayish black bill
- Buffy throat
- Pale eye ring
- Grayish tinge to white underparts
- Shorter tail than adult
- © Cameron Rognan, NY, Sapsucker Woods, Ithaca, July 2008

Black-billed Cuckoo
Adult
- Brown head, back, and wings
- White underparts
- Curved black bill
- Red eye ring
- Graduated tail with white spots at tips of feathers
- © Lloyd Spitalnik, NY, Central Park, New York, May 2009

Black-billed Cuckoo
Adult
- Slender shape
- Slightly decurved black bill
- Red eye ring
- Long tail with small white spots on tips of feathers
- © Jim Gilbert, NJ, Kay Environmental Center, Chester, May 2007