"Songbirds" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus,
MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure,
which enables searching at various levels of specificity.
PASSERIFORMES of the suborder, Oscines, in which the flexor tendons of the toes are separate, and the lower syrinx has 4 to 9 pairs of tensor muscles inserted at both ends of the tracheal half rings. They include many commonly recognized birds such as CROWS; FINCHES; robins; SPARROWS; and SWALLOWS.
Below are MeSH descriptors whose meaning is more general than "Songbirds".
Below are MeSH descriptors whose meaning is more specific than "Songbirds".
This graph shows the total number of publications written about "Songbirds" by people in this website by year, and whether "Songbirds" was a major or minor topic of these publications.
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