Corvida was a name used in avian classification to denote one of two broad parvorders within the oscine passerines (suborder Passeri). It represented an assemblage of many songbird families—particularly from Australasia and the tropics—that were thought to share an early branching position among songbirds. Contemporary classification no longer treats Corvida as a formal taxon because it does not represent a single, natural (monophyletic) lineage.

Characteristics and scope

The group was not united by a single, obvious anatomical trait but rather by a mixture of ecological and behavioral diversity. Members traditionally placed in Corvida included a wide range of forms: arboreal insectivores, nectar feeders, elaborate display species and several shrike-like predators. Vocal learning and complex song are shared across oscines generally, so these features were not sufficient to define Corvida as a discrete clade.

History of the concept

The idea of dividing Passeri into two large parvorders arose from late 20th-century systematic work that emphasized molecular and comparative data. One assemblage was termed Corvida and the other Passerida. As more comprehensive DNA sequence studies became available, researchers found that the taxa grouped as Corvida did not form a single coherent branch but were dispersed across several basal lineages of oscines.

Modern view and consequences

  • Modern molecular phylogenetics replaced Corvida with multiple clades and superfamilies (for example, Corvoidea and other basal oscine lineages).
  • The abandonment of Corvida led to reclassification of many families and a more resolved picture of songbird evolution.
  • It illustrates how early molecular hypotheses can be revised as more data and methods become available.

Because the name has been shown to be paraphyletic, it is largely historical. For summaries of the taxonomic changes and current phylogenetic arrangements, see further resources. Note that Corvida should not be confused with the family Corvidae (crows and jays), which is one component of the modern corvoid assemblage rather than a synonym of Corvida.