Genus Pipilo refers to a group of sparrow-like birds that are commonly found in America and are popularly known as towhees. Although the name Pipilo is preferred for scientific purposes, there are several synonyms that are widely used to describe these species. Some of the most common synonyms include Spizella, Melozone, and Pipilo erythrophthalmus. While the genus Pipilo is made up of around eight species, there are numerous subspecies that have slightly different names. These include the Eastern towhee, the Spotted towhee, the Green-tailed towhee, and the Canyon towhee. Overall, the different synonyms and subspecies within the genus Pipilo reflect the diversity and richness of these fascinating birds.