Raising A Baby Songbird

Taxonomy and systematics
Under the Sibley-Ahlquist taxonomy this suborder is divided into two "parvorders", Corvida and Passerida (standard taxonomic practice would rank these as infraorders).
However, this treatment has since turned out to be very much in error. In reality, there are three major superfamilies (though not exactly corresponding to the Sibley-Ahlquist arrangement) of Passerida, in addition to some minor lineages thereof. The "Corvida" are fictional, an artefact of the phenetic methodology. Instead the bulk of these form the large superfamily Corvoidea and the smaller Meliphagoidea, and there are a number of small basal groups.