Yellow-billed Cuckoo

Look for

Slender and long-tailed, the yellow-billed cuckoo has a plain brown back and creamy white breast. The underside of the tail shows a pattern of bold white spots against a black background, and bright rufous wing patches are visible in flight. The lower part of the bill is yellow. Male and female yellow-billed cuckoos look alike. The only other species they are likely to be confused with is the related black-billed cuckoo, which lacks the rufous wing color and has a black bill, among other differences.

Listen for

The yellow-billed cuckoo makes a unique repetitive clucking sound that is a sure clue to identification. From deep cover, Yellow-billed Cuckoos give a hollow, hoarse, two-syllabled tee-oo, tee-oo, tee-oo in a series and a mechanical-sounding kik-kik-kik-kik-kaKOW, kaKOW.

Find it

The yellow-billed cuckoo is a furtive, skulking bird of thickets and brushy woodland edges and, though it is fairly large, its retiring habits make it far more easily heard than seen. It often hides deep within the foliage and, when perching in the open, it tends to remain very still. Yellow-billed cuckoos inhabit deciduous woodland edges, thickets and tangles along water- courses or roadsides, willow groves, and overgrown orchards. Yellow-billed cuckoos are not generally found in deep interior woodlands, as they prefer some kind of “edge” to their habitat.

Feed it

Yellow-billed cuckoos eat great numbers of hairy caterpillars and many large insects such as dragonflies, cicadas, grasshoppers, crickets, and beetles. Small fruits are a minor but regular part of their diet in summer. Most yellow-billed cuckoos forage by slowly and methodically exploring branches, twigs, and leaves for hidden insects, but they occasionally may act like flycatchers, darting into the air for a meal on the wing, or hovering to seize a caterpillar at the edge of a leaf.

Nesting Behavior

Once paired, cuckoos survey the surrounding area for a leafy and secluded nest site, five to ten feet off the ground. Both help build a loose shell of twigs and stems, lining it with fine grasses. Three to five eggs are laid, and both parents share the incubation and feeding of the young. The entire process, from egg laying to fledging, takes only 17 days, one of the shortest such periods for any bird species.

WOW!

Because the yellow-billed cuckoo commonly sings on humid summer afternoons, the bird’s folk name is rain crow, as it is said to predict a coming rainstorm.

Hear the yellow-billed cuckoo:

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