Mockingbirds are a group of
New World
The term ''New World'' is often used to mean the majority of Earth's Western Hemisphere, specifically the Americas."America." ''The Oxford Companion to the English Language'' (). McArthur, Tom, ed., 1992. New York: Oxford University Press, p. ...
passerine
A passerine () is any bird of the order Passeriformes (; from Latin 'sparrow' and '-shaped'), which includes more than half of all bird species. Sometimes known as perching birds, passerines are distinguished from other orders of birds by th ...
birds from the
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 ...
Mimid
__NOTOC__
The mimids are the New World family of passerine birds, Mimidae, that includes thrashers, mockingbirds, tremblers, and the New World catbirds. As their name ( Latin for "mimic") suggests, these birds are notable for their vocali ...
ae. They are best known for the habit of some species
mimicking
In evolutionary biology, mimicry is an evolved resemblance between an organism and another object, often an organism of another species. Mimicry may evolve between different species, or between individuals of the same species. Often, mimicry ...
the songs of other birds and the sounds of insects and amphibians, often loudly and in rapid succession. There are about 17
species
In biology, a species is the basic unit of Taxonomy (biology), classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of ...
in two
genera
Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial ...
, although three species of mockingbird from the Galapagos Islands were formerly separated into a third genus, ''
Nesomimus''. The mockingbirds do not appear to form a
monophyletic
In cladistics for a group of organisms, monophyly is the condition of being a clade—that is, a group of taxa composed only of a common ancestor (or more precisely an ancestral population) and all of its lineal descendants. Monophyletic ...
lineage, as ''
Mimus'' and ''
Melanotis'' are not each other's closest relatives; instead, ''
Melanotis'' appears to be more closely related to the
catbirds
Several unrelated groups of songbirds are called catbirds because of their wailing calls, which resemble a cat's meowing. The genus name ''Ailuroedus'' likewise is from the Greek for "cat-singer" or "cat-voiced".
Australasian catbirds ar ...
, while the closest living relatives of ''
Mimus'' appear to be
thrashers, such as the
sage thrasher.
[Hunt, Jeffrey S.; Bermingham, Eldredge; & Ricklefs, Robert E. (2001):]
Molecular systematics and biogeography of Antillean thrashers, tremblers, and mockingbirds (Aves: Mimidae)
" '' Auk'' 118(1): 35–55. DOI:10.1642/0004-8038(2001)118 035:MSABOA.0.CO;2[Barber, Brian R.; Martínez-Gómez, Juan E. & Peterson, A. Townsend (2004) "Systematic position of the Socorro mockingbird ''Mimodes graysoni''." '' J. Avian Biol.'' 35: 195–198. ]

The only mockingbird commonly found in North America is the
northern mockingbird
The northern mockingbird (''Mimus polyglottos'') is a mockingbird commonly found in North America. This bird is mainly a permanent resident, but northern birds may move south during harsh weather. This species has rarely been observed in Europe ...
''(Mimus polyglottos)''. The Greek word means 'multiple languages'. Mockingbirds are known for singing late at night, even past midnight.
Species in taxonomic order
''Mimus'':
*
Brown-backed mockingbird, ''Mimus dorsalis''
*
Bahama mockingbird, ''Mimus gundlachii''
*
Long-tailed mockingbird
The long-tailed mockingbird (''Mimus longicaudatus'') is a species of bird in the family Mimidae. It is found in Ecuador and Peru.
Taxonomy and systematics
The long-tailed mockingbird has four subspecies, the nominate ''Mimus longicaudatu ...
, ''Mimus longicaudatus''
*
Patagonian mockingbird
The Patagonian mockingbird (''Mimus patagonicus'') is a species of bird in the family Mimidae. It is found in much of Argentina and locally in Chile.
Taxonomy and systematics
The Clements taxonomy and BirdLife International consider the ...
, ''Mimus patagonicus''
*
Chilean mockingbird, ''Mimus thenca''
*
White-banded mockingbird, ''Mimus triurus''
*
Northern mockingbird
The northern mockingbird (''Mimus polyglottos'') is a mockingbird commonly found in North America. This bird is mainly a permanent resident, but northern birds may move south during harsh weather. This species has rarely been observed in Europe ...
, ''Mimus polyglottos''
*
Socorro mockingbird, ''Mimus graysoni''
*
Tropical mockingbird, ''Mimus gilvus''
*
Chalk-browed mockingbird
The chalk-browed mockingbird (''Mimus saturninus'') is a bird in the family mimidae. It is found in Brazil, Bolivia, Argentina, Paraguay, Suriname, and Uruguay.
Taxonomy and systematics
The chalk-browed mockingbird has four subspecies, the n ...
, ''Mimus saturninus''
Formerly ''Nesomimus'' (endemic to the
Galapagos):
*
Hood mockingbird, ''Mimus macdonaldi''
*
Galápagos mockingbird, ''Mimus parvulus''
*
Floreana mockingbird or Charles mockingbird, ''Mimus trifasciatus''
*
San Cristóbal mockingbird, ''Mimus melanotis''
''Melanotis'':
*
Blue mockingbird, ''Melanotis caerulescens''
*
Blue-and-white mockingbird, ''Melanotis hypoleucus''
Charles Darwin

When the
survey voyage of HMS ''Beagle'' visited the
Galápagos Islands
The Galápagos Islands ( es, Islas Galápagos) are an archipelago of volcanic islands in the Eastern Pacific, located around the Equator west of the mainland of South America. They form the Galápagos Province of the Republic of Ecuador, with ...
in September to October 1835, the naturalist
Charles Darwin
Charles Robert Darwin ( ; 12 February 1809 – 19 April 1882) was an English natural history#Before 1900, naturalist, geologist, and biologist, widely known for his contributions to evolutionary biology. His proposition that all speci ...
noticed that the mockingbirds ''Mimus thenca'' differed from island to island, and were closely allied in appearance to mockingbirds on the
South America
South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the souther ...
n mainland. Nearly a year later when writing up his notes on the return voyage he speculated that this, together with what he had been told about
Galápagos tortoises, could undermine the doctrine of stability of species. This was his first recorded expression of his doubts about species being immutable, which led to his being convinced about the
transmutation of species
Transmutation of species and transformism are unproven 18th and 19th-century evolutionary ideas about the change of one species into another that preceded Charles Darwin's theory of natural selection. The French ''Transformisme'' was a term used ...
and hence
evolution
Evolution is change in the heritable characteristics of biological populations over successive generations. These characteristics are the expressions of genes, which are passed on from parent to offspring during reproduction. Variation ...
.
References
External links
Mockingbird videos, photographs and sound recordings on the Internet Bird Collection
Mockingbird singing
{{DEFAULTSORT:Mockingbird
Mimidae
Symbols of Mississippi
Bird common names