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ViewsScreaming CowbirdFrom Opus
[edit] IdentificationAdults are black with limited feather sheen, usually greenish-blue; female smaller (rufous axillars are usually not seen in the field). Younger birds mirror Bay-winged Cowbird. [edit] Similar speciesShiny Cowbird has a longer bill and rounder head. It is sexually dimorphic, so flocks of all black birds are more likely to be the present species. [edit] DistributionBolivia to Paraguay, Uruguay, Argentina, and Brazil. [edit] TaxonomyThis is a monotypic species. [edit] HabitatPastureland, towns, scrubby areas, and heavily degraded former forest. [edit] BehaviourIt parasitizes the nest of the Bay-winged Cowbird. [edit] References
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