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Yellow-billed Cuckoo - Wikipedia, the free encyclopedia

Yellow-billed Cuckoo

From Wikipedia, the free encyclopedia

Yellow-billed Cuckoo

Conservation status
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Cuculiformes
Family: Cuculidae
Genus: Coccyzus
Species: C. americanus
Binomial name
Coccyzus americanus
(Linnaeus, 1758)

The Yellow-billed Cuckoo, Coccyzus americanus, is a cuckoo. Common folk-names for this bird in the southern United States are Rain Crow and Storm Crow. These likely refer to the bird's habit of calling on hot days, often presaging thunderstorms.

Contents

[edit] Description

Adults have a long tail, brown above and black-and-white below, and a black curved bill with yellow especially on the lower mandible. The head and upper parts are brown and the underparts are white. There is a yellow ring around the eye. It shows cinnamon on the wings in flight. Juveniles are similar, but the black on the undertail is replaced by gray.

[edit] Behaviour

[edit] Breeding

Their breeding habitat is deciduous woods from southern Canada to Mexico. They nest in a tree or shrub, usually up to 2-12 feet (1-4 meters) above the ground. The nest is a flimsy platform of short twigs placed on a horizontal branch. The 3-4 eggs are incubated for 14 days or less. The chicks are able to climb about with agility at 7-9 days of age. At about this same time, the feathers of the chicks burst out of their sheaths and the young are able to fly. The entire time from egg-laying to fledging may be as little as 17 days.

Comparison of Black-billed Cuckoo and Yellow-billed Cuckoo
Comparison of Black-billed Cuckoo and Yellow-billed Cuckoo

Yellow-billed Cuckoos occasionally lay eggs in the nests of other birds (most often the closely-related Black-billed Cuckoo), but they are not obligate brood parasites of other birds as is the Common Cuckoo of Eurasia.

They migrate to Central America and as far south as northern Argentina. This bird is a rare vagrant to western Europe.

[edit] Food

These birds forage in dense shrubs and trees, also may catch insects in flight. They mainly eat insects, especially tent caterpillars and cicadas, but also some lizards, eggs of other birds and berries.

[edit] Call

This bird has a number of calls; the most common is a rapid ka ka ka ka ka kow kow kow.

[edit] Western Race of the Yellow-billed Cuckoo

There is an ongoing debate regarding the taxonomic status of the western race and if it is distinct from those birds in the east. This question is significant to the conservation status of this species in the west, where it has declined to a tiny fraction of its population a century ago[1][2]. Populations of this species in western North America are in steep decline. The bird disappeared from British Columbia, Washington, and Oregon during the first half of the twentieth century. Eastern populations have declined as well, though not as precipitously.

[edit] References

  • BirdLife International (2004). Coccyzus americanus. 2006 IUCN Red List of Threatened Species. IUCN 2006. Retrieved on 11 May 2006. Database entry includes justification for why this species is of least concern
  • John K. Terres (1980), Audubon Society Encyclopedia of North American Birds, Knopf, ISBN 0-394-46651-9
  • David Gaines Review of the Status of the Yellow-Billed Cuckoo in California: Sacramento Valley Populations The Condor, Vol. 76, No. 2 (Summer, 1974), pp. 204-209
  • Laymon, S.A., and M.D. Halterman. 1987. Can the western subspecies of Yellow-billed Cuckoo be saved from extinction? Western Birds 18:19-25.

[edit] References

  1. ^ Yellow-Billed Cuckoo Species Account, Sacramento Fish & Wildlife Office
  2. ^ Biogeography of Western Yellow Billed Cuckoo

[edit] External links


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