Trochilinae is one of the six
subfamilies
In biological classification, a subfamily (Latin: ', plural ') is an auxiliary (intermediate) taxonomic rank, next below family but more inclusive than genus. Standard nomenclature rules end subfamily botanical names with "-oideae", and zoologi ...
that make up the hummingbird
family
Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...
Trochilidae
Hummingbirds are birds native to the Americas and comprise the biological family Trochilidae. With about 361 species and 113 genera, they occur from Alaska to Tierra del Fuego, but the vast majority of the species are found in the tropics ar ...
.
The subfamily is divided into three
tribes
The term tribe is used in many different contexts to refer to a category of human social group. The predominant worldwide usage of the term in English is in the discipline of anthropology. This definition is contested, in part due to confl ...
:
Lampornithini (mountain gems) containing 18 species,
Mellisugini
Mellisugini is one of the three tribes that make up the subfamily Trochilinae in the hummingbird family Trochilidae. The other two tribes in the subfamily are Lampornithini (mountain gems) and Trochilini (emeralds).
The informal name "bees" ...
(bees) containing 37 species and
Trochilini
Trochilini is one of the three tribes that make up the subfamily Trochilinae in the hummingbird family Trochilidae. The other two tribes in the subfamily are Lampornithini (mountain gems) and Mellisugini (bees).
The informal name "emeralds" h ...
(emeralds) containing 115 species.
Phylogeny
The hummingbirds were formerly divided into two subfamilies, the hermits (
Phaethornithinae) and the nonhermits (Trochilinae). The results from a 2007
DNA hybridization study suggested that the hermits were basal to the rest of the family.
A
molecular phylogenetic
Molecular phylogenetics () is the branch of phylogeny that analyzes genetic, hereditary molecular differences, predominantly in DNA sequences, to gain information on an organism's evolutionary relationships. From these analyses, it is possible to ...
study of the hummingbirds published in 2007 found that the family consisted of nine
clades
A clade (), also known as a monophyletic group or natural group, is a group of organisms that are monophyletic – that is, composed of a common ancestor and all its lineal descendants – on a phylogenetic tree. Rather than the English term ...
.
When
Edward Dickinson and
James Van Remsen Jr.
James Vanderbeek "Van" Remsen Jr. (born September 21, 1949) is an American ornithologist. His main research field is the Neotropical avifauna. In 1999, he founded the South American Classification Committee.J. V. Remsen Jr.: The South American Cla ...
updated the ''
Howard and Moore Complete Checklist of the Birds of the World
The ''Howard and Moore Complete Checklist of the Birds of the World'' is a book by Richard Howard and Alick Moore which presents a list of the bird species of the world. It was the first single-volume world bird list to include subspecies names, ...
'' for the 4th edition in 2013, they divided the hummingbird family into six
subfamilies
In biological classification, a subfamily (Latin: ', plural ') is an auxiliary (intermediate) taxonomic rank, next below family but more inclusive than genus. Standard nomenclature rules end subfamily botanical names with "-oideae", and zoologi ...
based on the molecular results and redefined the subfamily Trochilinae to contain three clades, each of which they placed in a separate
tribe
The term tribe is used in many different contexts to refer to a category of human social group. The predominant worldwide usage of the term in English is in the discipline of anthropology. This definition is contested, in part due to confl ...
:
Lampornithini (mountain gems),
Mellisugini
Mellisugini is one of the three tribes that make up the subfamily Trochilinae in the hummingbird family Trochilidae. The other two tribes in the subfamily are Lampornithini (mountain gems) and Trochilini (emeralds).
The informal name "bees" ...
(bees) and
Trochilini
Trochilini is one of the three tribes that make up the subfamily Trochilinae in the hummingbird family Trochilidae. The other two tribes in the subfamily are Lampornithini (mountain gems) and Mellisugini (bees).
The informal name "emeralds" h ...
(emeralds). A comprehensive phylogenetic study that sampled 284 hummingbird species was published in 2014. It confirmed the nine clades found in the earlier study but found that the hermits were
sister
A sister is a woman or a girl who shares one or more parents with another individual; a female sibling. The male counterpart is a brother. Although the term typically refers to a familial relationship, it is sometimes used endearingly to refer to ...
to the topazes clade (subfamily
Florisuginae
Florisuginae is one of the six subfamilies in the hummingbird family Trochilidae.
The subfamily contains two genera, '' Topaza'' and ''Florisuga'', which each contain two species.
Phylogeny
A molecular phylogenetic study of the hummingbirds pub ...
) containing the genera ''
Topaza'' and ''
Florisuga
The jacobins are two species of hummingbirds in the genus ''Florisuga''.
Taxonomy
The genus ''Florisuga'' was introduced in 1850 by the French naturalist Charles Lucien Bonaparte. The name combines the Latin ''flos'', ''floris'' meaning "flower" ...
''. Many of the traditional genera in the emerald clade (Trochilini) were shown to be
polyphyletic
A polyphyletic group is an assemblage of organisms or other evolving elements that is of mixed evolutionary origin. The term is often applied to groups that share similar features known as homoplasies, which are explained as a result of conver ...
.
[ As a result, many of the genera in this part of the ]tree
In botany, a tree is a perennial plant with an elongated stem, or trunk, usually supporting branches and leaves. In some usages, the definition of a tree may be narrower, including only woody plants with secondary growth, plants that are ...
have been revised.
The above cladogram
A cladogram (from Greek ''clados'' "branch" and ''gramma'' "character") is a diagram used in cladistics to show relations among organisms. A cladogram is not, however, an evolutionary tree because it does not show how ancestors are related to ...
of the hummingbird family is based on a molecular phylogenetic
Molecular phylogenetics () is the branch of phylogeny that analyzes genetic, hereditary molecular differences, predominantly in DNA sequences, to gain information on an organism's evolutionary relationships. From these analyses, it is possible to ...
study by Jimmy McGuire and collaborators published in 2014.[ The Latin names are those proposed by Dickinson and Remsen in 2013.
]
References
Sources
*
{{Taxonbar, from=Q1073958
*
Bird subfamilies