Planet of Birds

Yellow-billed Cuckoo (Coccyzus americanus) Science Article 5 abstract In western North America, yellow-billed cuckoos (Coccyzus americanus) have undergone catastrophic declines; the eastern subspecies has undergone less rapid declines in most areas since approximately 1980. Direct loss and degradation of low-elevation riparian woodland habitats have been cited as the primary causes for the declines in yellow-billed […]

Yellow-billed Cuckoo (Coccyzus americanus) Science Article 2 abstract On June 10, 1952, I found one egg of the Yellow-billed Cuckoo (Coccyzus americanus) in the nest of a Mourning Dove (Zenaidura rnacrou~a) . The location of this nest was on the Cranbrook Estate in Bloomfield Township, Bloomfield Hills, Michigan. WALTER P. NICKELL, Wilson bull. Vol. 66, […]

Yellow-billed Cuckoo (Coccyzus americanus) Science Article 4 abstract The future federal status of the Yellow-billed Cuckoo (Coccyzus americanus) in NorthAmerica remains unclear. A petition was filed in 1986 to list the western subspecies (C. a.occidentalis) under the Endangered Species Act (ESA). The U.S. Fish and Wildlife Service(USFWS) published a 12-month finding in 1998 stating that […]

Yellow-billed Cuckoo (Coccyzus americanus) Science Article 1 abstract This paper describes characters by which nestling Yellow-billed and Black-billed Cuckoos can be distinguished. It is based on a small collection that I made at Bloomington, Indiana, before I discovered Herrick’s paper. The nests from which I took the birds presented no anomalies. VAL NOLAN, JR., Condor(77)3:341 […]

Yellow-billed Cuckoo (Coccyzus americanus) Science Article 3 abstract Coccyzus comprises nine species of New World cuckoos (Aves: Cuculidae)that breed from southern Canada to central South America. The phylogeny of thisgenus was reconstructed using 2490 base pairs of the mitochondrial genes cytochromeoxidase II and III, and cytochrome b. Maximum likelihood, maximum parsimony,and Bayesian inference approaches produced […]