The genus ''Passerina'' is a group of
bird
Birds are a group of warm-blooded vertebrates constituting the class (biology), class Aves (), characterised by feathers, toothless beaked jaws, the Oviparity, laying of Eggshell, hard-shelled eggs, a high Metabolism, metabolic rate, a fou ...
s in the cardinal family (
Cardinalidae
Cardinalidae (sometimes referred to as "cardinal-grosbeaks" or simply "cardinals") is a family of New World-Endemism, endemic passerine birds that consists of Cardinalis, cardinals, grosbeaks, and Passerina, buntings. It also includes several ot ...
). Although not closely related to the buntings in the family
Emberizidae
The buntings are a group of Old World passerine birds forming the genus ''Emberiza'', the only genus in the family Emberizidae. The family contains 44 species. They are seed-eating birds with stubby, conical bills.
Taxonomy
The family Emberizid ...
, they are sometimes known as the North American buntings.
The males show vivid colors in the breeding season; the plumage of females and immature birds is duller. These birds go through two
molt
In biology, moulting (British English), or molting (American English), also known as sloughing, shedding, or in many invertebrates, ecdysis, is a process by which an animal casts off parts of its body to serve some beneficial purpose, either at ...
s in a year; the males are generally less colorful in winter. They have short tails and short slim legs. They have smaller bills than other Cardinalidae; they mainly eat
seed
In botany, a seed is a plant structure containing an embryo and stored nutrients in a protective coat called a ''testa''. More generally, the term "seed" means anything that can be Sowing, sown, which may include seed and husk or tuber. Seeds ...
s in winter and
insect
Insects (from Latin ') are Hexapoda, hexapod invertebrates of the class (biology), class Insecta. They are the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body (Insect morphology#Head, head, ...
s in summer.
The blue grosbeak (''P. caerulea'') was once placed in the monotypic genus, ''Guiraca''.
Taxonomy and list of species
The genus ''Passerina'' was introduced by the French ornithologist
Louis Pierre Vieillot
Louis Pierre Vieillot (10 May 1748, Yvetot – 24 August 1830, Sotteville-lès-Rouen) was a French ornithologist.
Vieillot is the author of the first scientific descriptions and Linnaean names of a number of birds, including species he collected ...
in 1816. The
type species
In International_Code_of_Zoological_Nomenclature, zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the spe ...
was designated in 1840 as the
indigo bunting
The indigo bunting (''Passerina cyanea'') is a small seed-eating bird in the cardinal family, Cardinalidae. It is bird migration, migratory, ranging from southern Canada to northern Florida during the breeding season, and from southern Florida to ...
(''Passerina cyanea'') by the English zoologist
George Robert Gray
George Robert Gray (8 July 1808 – 6 May 1872) was an English zoology, zoologist and author, and head of the Ornithology, ornithological section of the British Museum, now the Natural History Museum, London, Natural History Museum, London f ...
. The genus name is from the Latin ''passerinus'' meaning "sparrow-like".
The genus contains 7 species:
References
{{Authority control
Bird genera
Birds of North America
Taxa named by Louis Pierre Vieillot