Cardinalidae
New World songbird family with brilliant males and stout bills.
Cardinalidae, sometimes referred to as cardinal-grosbeaks or simply cardinals, is a family of New World-endemic passerine birds that includes cardinals, grosbeaks, buntings, and several other genera such as the tanager-like Piranga and the warbler-like Granatellus. Membership in this family is not easily defined by physical characteristics but rather by molecular work. They range from average-sized to relatively large among songbirds, with stout features and, in some species, large, heavy bills. Many breeding males are beloved for their brilliant red, yellow, or blue plumages.
- scientific_name
- Cardinalidae
- common_names
- cardinal-grosbeaks, cardinals
- distribution
- Canada to northern Argentina and Uruguay
- number_of_species
- 53 species in 14 genera (as of July 2024)
- conservation_status
- Most species least concern; some endangered, e.g., Carrizal seedeater
- distinctive_feature
- Sexually dichromatic plumage; males often bright red, orange, blue, or black
Lore & Background
Cardinalidae was traditionally classified as a tribe of the finch family Fringillidae, characterized by heavy, conical, seed-crushing bills. However, a 2007 mitochondrial DNA study found that several genera previously placed in other families—such as Piranga, Habia, and Granatellus—belong to Cardinalidae, while others like Saltator were moved to the tanager lineage. The family is now divided into six subclades: the Pheucticus lineage, Granatellus lineage, “blue” lineage, Habia lineage, “masked” lineage, and Piranga lineage.
Reader's Guide
Cardinalidae holds significance as a diverse family of New World songbirds whose classification was resolved primarily through molecular phylogenetics, resolving long-standing taxonomic disputes. Their brilliant plumages make them popular among birdwatchers, and their varied bill shapes reflect diverse feeding ecologies: seed-crushing bills in cardinals and grosbeaks, and insect- and fruit-focused diets in Piranga and Granatellus. Most species are monogamous and territorial, with the dickcissel being a notable polygynous exception. Conservation-wise, most species are of least concern, though a few like the Carrizal seedeater are endangered. The family's molting patterns, including delayed plumage maturation and two types of preformative molt, provide insights into avian life-history evolution. Their distribution from Canada to Argentina, with highest diversity in Central America, and their migratory behaviors—ranging from year-round residency to long-distance migration—illustrate their adaptability across habitats including forests, grasslands, and arid scrublands.
Did You Know?
- The family includes the tanager-like Piranga and the warbler-like Granatellus, which were reclassified into Cardinalidae based on molecular work.
- The dickcissel (Spiza americana) is a ground-dwelling prairie bird and the only polygynous species in the family.
- The western tanager (Piranga ludoviciana) is the northernmost cardinalid, breeding in southern portions of the Northwest Territories.
- The northern cardinal (Cardinalis cardinalis) has been introduced in Hawaii and Bermuda.
Frequently Asked Questions
What is Cardinalidae?
Cardinalidae is a family of New World songbirds that groups together cardinals, grosbeaks, buntings, and a handful of less familiar genera. As of mid-2024 the family contains 53 species spread across 14 genera.
Where do cardinals and their relatives live?
The family's range spans from southern Canada down through the Americas to northern Argentina and Uruguay. Virtually every country in the New World hosts at least one cardinal-family species.
Why are male cardinals so brightly colored?
Breeding males in many species display vivid red, orange, blue, or black plumage, a pattern called sexual dichromism. These bold, contrasting colors are the family's most eye-catching trait and a major reason birdwatchers seek them out.
How do scientists decide which birds belong to Cardinalidae?
Membership in this family isn't pinned to a single shared physical feature the way it is for many other bird groups. Instead, molecular and genetic evidence is what ties the 14 genera together into one coherent family.
Are cardinals endangered?
Most of the family's 53 species are assessed as least concern. A small number, however, face real threats; the Carrizal seedeater, for example, is listed as endangered.
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