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Yellow-billed Cuckoo

From Opus

Photo by fuzzheadFort Huachuca, Arizona, USA, August 2009
Photo by fuzzhead
Fort Huachuca, Arizona, USA, August 2009
Coccyzus americanus

Contents

[edit] Identification

17–20 cm (6½-7¾ in) An uncommon, secretive bird. Named for the yellow on the lower mandible of its somewhat decurved bill. The underparts of this bird are contrasting white and the primaries are rufous.

[edit] Similar species

Yellow-billed Cuckoo has inner webs of primaries brown (not white like Pearly-breasted Cuckoo) and shows some rufous on wings.
The Yellow-billed Cuckoo's tail is barred in large distinctive white spots similar to the Mangrove Cuckoo.

[edit] Distribution

Breeding migrant found throughout the United States, but losing habitat in the west due to destruction of riparian woodlands. Not to be expected in Canada. Breeds locally in Mexico, and possibly in the northern half of Central America.

Recent results suggest that at least part of the US population after having bred in early parts of summer migrates to north-western Mexico where a second round of breeding takes place before the birds go on the final migration to their winter home[2].

Vacates North America including Mexico and winters in southern Central America and especially in South America.

Occasional autumn vagrant to western Europe

[edit] Taxonomy

This is a monotypic species[1].

[edit] Habitat

Found in woodlands with clearings, usually with water or wet regions.

[edit] Behaviour

Moves about stealthily in dense foliage, rarely perching in the open.

[edit] Diet

Gleans insects, notably hairy caterpillars, from leaves and branches. Extremely fond of tent caterpillars, important for keeping outbreaks of the insects under control.

[edit] Breeding

Young: Altricial but alert and active within minutes of hatching. Shiny black skin, no down. The young develop incredibly quickly - the entire period from egg laying to fledging lasts only 17 days. On day 6 or 7 after hatching, the feathers of the young burst out of their sheaths, allowing the nestling to become fully feathered in only 2 hours.

[edit] Vocalisation

Gives a wooden-sounding, guttural ku-ku-ku-kddowl-kddowl or a deep cloom similar to a dove.

[edit] In Culture

Once known as "Raincrow" due to its apparent tendency to call more frequently on stormy days.

[edit] References

  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2017. The eBird/Clements checklist of birds of the world: v2017, with updates to August 2017. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
  2. Paper describing migration to second breeding area

[edit] External Links

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