Tanager n. : Any one of numerous species of bright-colored singing birds belonging to Tanagra, Piranga, and allied genera. The scarlet tanager (Piranga erythromelas) and the summer redbird (Piranga rubra) are common species of the United States.

Example:
what does a scarlet Tanager look like?

Taxonomy
Genus, species, tanagers, Genus Piranga, Genus Coereba, finches, Klicka, clade, species nest, Thraupidae, nests, Five species, sister species, Burns, birds, Webster, polyphyletic, family.

Defination from the web:
Tanager is 28 cm (11 in) and weighs 76 grams (2.7 oz). The heaviest is the White-capped Tanager which weighs 114 grams (4 oz) and measures about 23 cm ... There is little information on tanager breeding behavior or whether they are monogamous or polygamous. ...