''Saxicola'' (

Latin Latin ( or ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken by the Latins (Italic tribe), Latins in Latium (now known as Lazio), the lower Tiber area aroun ...

: ''saxum'', rock + ''incola'', dwelling in.), the stonechats or chats, is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

of 15

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

of small

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 generally have an anisodactyl arrangement of their ...

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 restricted to the

Old World The "Old World" () is a term for Afro-Eurasia coined by Europeans after 1493, when they became aware of the existence of the Americas. It is used to contrast the continents of Africa, Europe, and Asia in the Eastern Hemisphere, previously ...

. They are

insectivore file:Common brown robberfly with prey.jpg, A Asilidae, robber fly eating a hoverfly An insectivore is a carnivore, carnivorous animal or plant which eats insects. An alternative term is entomophage, which can also refer to the Entomophagy ...

s occurring in open scrubland and grassland with scattered small

shrub A shrub or bush is a small to medium-sized perennial woody plant. Unlike herbaceous plants, shrubs have persistent woody stems above the ground. Shrubs can be either deciduous or evergreen. They are distinguished from trees by their multiple ...

Taxonomy

The genus was introduced by the German naturalist

Johann Matthäus Bechstein Johann Matthäus Bechstein (11 July 1757 – 23 February 1822) was a German naturalist, forester, ornithologist, entomologist, and Herpetology, herpetologist. In Great Britain, he was known for his treatise on singing birds (''Naturgeschichte der ...

in 1802. 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 subsequently designated as the

European stonechat The European stonechat (''Saxicola rubicola'') is a small passerine bird that was formerly classed as a subspecies of the common stonechat. Long considered a member of the thrush family, Turdidae, genetic evidence has placed it and its relative ...

. The name ''Saxicola'' is from Latin ''saxum'', ''saxi'' "stone" and ''-cola'' "dweller". The genus was formerly included in the thrush family

Turdidae The thrushes are a passerine bird family, Turdidae, with a worldwide distribution. The family was once much larger before biologists reclassified the former subfamily Saxicolinae, which includes the chats and European robins, as Old World flyca ...

, but as with several other related genera, has now been shown to be correctly classified in the Old World flycatcher family

Muscicapidae The Old World flycatchers are a large family, the Muscicapidae, of small passerine birds restricted to the Old World (Europe, Africa and Asia), with the exception of several vagrants and two species, bluethroat (''Luscinia svecica'') and north ...

, in which it is most closely related to the genera '' Oenanthe'' (wheatears) and '' Campicoloides''. Genetic and behavioural evidence has also resulted in several new species being accepted in the genus in recent years, most notably the splitting of the former broad "species"

common stonechat Common stonechat is the name used for the ''Saxicola'' species ''Saxicola torquatus'' when this is treated in its broad sense. It is, however, now more widely considered to be a superspecies consisting of several related but distinct species, wh ...

''Saxicola torquatus'' into five species, a change now widely though not yet universally accepted. With addition of

mtDNA Mitochondrial DNA (mtDNA and mDNA) is the DNA located in the mitochondria organelles in a eukaryotic cell that converts chemical energy from food into adenosine triphosphate (ATP). Mitochondrial DNA is a small portion of the DNA contained in ...

cytochrome ''b''

sequence In mathematics, a sequence is an enumerated collection of objects in which repetitions are allowed and order matters. Like a set, it contains members (also called ''elements'', or ''terms''). The number of elements (possibly infinite) is cal ...

and

nDNA Nuclear DNA (nDNA), or nuclear deoxyribonucleic acid, is the DNA contained within each cell nucleus of a eukaryotic organism. It encodes for the majority of the genome in eukaryotes, with mitochondrial DNA and plastid DNA coding for the rest. It ...

fingerprinting A fingerprint is an impression left by the friction ridges of a human finger. The recovery of partial fingerprints from a crime scene is an important method of forensic science. Moisture and grease on a finger result in fingerprints on surfa ...

data, it was confirmed that not only the

Fuerteventura Fuerteventura () is one of the Canary Islands, in the Atlantic Ocean, geographically part of Macaronesia, and politically part of Spain. It is located away from the coast of North Africa. The island was declared a biosphere reserve by UNESCO i ...

and

Réunion stonechat The Réunion stonechat (''Saxicola tectes'') is a species of stonechat, endemic to the French Indian Ocean island of Réunion. It is found across the island in forests, shrublands and artificial environments such as gardens and plantations. This ...

s are distinct species, but that in addition, the African,

Madagascar Madagascar, officially the Republic of Madagascar, is an island country that includes the island of Madagascar and numerous smaller peripheral islands. Lying off the southeastern coast of Africa, it is the world's List of islands by area, f ...

European European, or Europeans, may refer to: In general * ''European'', an adjective referring to something of, from, or related to Europe ** Ethnic groups in Europe ** Demographics of Europe ** European cuisine, the cuisines of Europe and other West ...

Siberian Siberia ( ; , ) is an extensive geographical region comprising all of North Asia, from the Ural Mountains in the west to the Pacific Ocean in the east. It has formed a part of the sovereign territory of Russia and its predecessor states si ...

and

Amur stonechat The Amur stonechat (''Saxicola stejnegeri'') or Stejneger's stonechat, is a species of Saxicola, stonechat native to eastern Asia. It breeds in central and eastern Siberia, Japan, Korea, northeastern China, and eastern Mongolia, and bird migratio ...

s are also all separate species.Urquhart, E., & Bowley, A. (2002). ''Stonechats. A Guide to the Genus Saxicola''.

Christopher Helm Christopher Alexander Roger Helm (born Dundee, 1 February 1937 – 20 January 2007) was a Scottish book publisher, notably of ornithology related titles, including the ''Helm Identification Guides''. Born in Dundee, he was raised in Forfar, wh ...

, London. . Due to confusion of

subspecies In Taxonomy (biology), biological classification, subspecies (: subspecies) is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (Morphology (biology), morpholog ...

allocation, the name ''S. torquatus'' was briefly used for the European species, with the African stonechat being incorrectly listed as ''S. axillaris''. Owing to misunderstandings of Latin syntax, several species have in the past been widely but incorrectly cited with feminine name endings ("''S. torquata, S. maura, S. leucura, S. ferrea''", etc.).

Species

The following 14 species are currently accepted in ''Saxicola'': Formerly included in the genus ''Saxicola'', but now treated in a separate genus: *

Splendid fairywren The splendid fairywren (''Malurus splendens'') is a passerine bird in the Australasian wren family, Maluridae. It is also known simply as the splendid wren or more colloquially in Western Australia as the blue wren. The splendid fairywren is fo ...

, as ''Saxicola splendens'' *

Buff-streaked chat The buff-streaked chat or buff-streaked bushchat (''Campicoloides bifasciatus'') is a species of bird in the family Muscicapidae. It is found in Lesotho, South Africa, and Eswatini. Its natural habitat is subtropical or tropical dry lowland grass ...

, as ''Saxicola bifasciatus''

Fossil record

* ''Saxicola lambrechti'' (Late Miocene of Polgardi, Hungary) *''Saxicola baranensis'' (Pliocene of Beremend, Hungary) *''Saxicola parva'' (Pliocene of Csarnota, Hungary) *''Saxicola magna'' (Pliocene of Beremend, Hungary)

References

External links

{{Authority control Bird genera Taxa named by Johann Matthäus Bechstein