The black-crested antshrike (''Sakesphorus canadensis'') is a

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 ...

bird Birds are a group of warm-blooded vertebrates constituting the class Aves (), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweig ...

in the

antbird The antbirds are a large passerine bird family, Thamnophilidae, found across subtropical and tropical Central and South America, from Mexico to Argentina. There are more than 230 species, known variously as antshrikes, antwrens, antvireos, fire ...

family. It is a resident breeder in tropical

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 ...

Trinidad Trinidad is the larger and more populous of the two major islands of Trinidad and Tobago. The island lies off the northeastern coast of Venezuela and sits on the continental shelf of South America. It is often referred to as the southernmos ...

, Colombia,

Venezuela Venezuela (; ), officially the Bolivarian Republic of Venezuela ( es, link=no, República Bolivariana de Venezuela), is a country on the northern coast of South America, consisting of a continental landmass and many islands and islets in ...

, the

Guianas The Guianas, sometimes called by the Spanish loan-word ''Guayanas'' (''Las Guayanas''), is a region in north-eastern South America which includes the following three territories: * French Guiana, an overseas department and region of France * ...

, northern

Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

and northeastern

Peru , image_flag = Flag of Peru.svg , image_coat = Escudo nacional del Perú.svg , other_symbol = Great Seal of the State , other_symbol_type = Seal (emblem), National seal , national_motto = "Fi ...

. It is unclear whether the species also occurs south of the Amazon in Brazil.

Taxonomy

In 1760 the French zoologist

Mathurin Jacques Brisson Mathurin Jacques Brisson (; 30 April 1723 – 23 June 1806) was a French zoologist and natural philosopher. Brisson was born at Fontenay-le-Comte. The earlier part of his life was spent in the pursuit of natural history; his published wo ...

included a description of the black-crested antshrike in his ''Ornithologie'' based on a specimen that he mistakenly believed had been collected in Canada. He used the French name ''La Pie-Griesche de Canada'' and the Latin name ''Lanius Canadensis''. The two stars (**) at the start of the paragraph indicates that Brisson based his description on the examination of a specimen. Although Brisson coined Latin names, these do not conform to the

binomial system The binomial system ( es, Sistema binominal) is a voting system that was used in the legislative elections of Chile between 1989 and 2013. From an electoral system point of view, the binomial system is in effect the D'Hondt method with an ope ...

and are not recognised by the

International Commission on Zoological Nomenclature The International Commission on Zoological Nomenclature (ICZN) is an organization dedicated to "achieving stability and sense in the scientific naming of animals". Founded in 1895, it currently comprises 26 commissioners from 20 countries. Orga ...

. When in 1766 the Swedish naturalist

Carl Linnaeus Carl Linnaeus (; 23 May 1707 – 10 January 1778), also known after his ennoblement in 1761 as Carl von Linné Blunt (2004), p. 171. (), was a Swedish botanist, zoologist, taxonomist, and physician who formalised binomial nomenclature, ...

updated his ''

Systema Naturae ' (originally in Latin written ' with the ligature æ) is one of the major works of the Swedish botanist, zoologist and physician Carl Linnaeus (1707–1778) and introduced the Linnaean taxonomy. Although the system, now known as binomial nom ...

'' for the twelfth edition he added 240 species that had been previously described by Brisson in his ''Ornithologie''. One of these was the black-crested antshrike. Linnaeus included a brief description, used the

binomial name In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...

''Lanius canadensis'' and cited Brisson's work. This species is now placed in the genus ''

Sakesphorus ''Sakesphorus'' is a genus of passerine birds in the antbird family, Thamnophilidae. The genus ''Sakesphorus'' was erected by the British ornithologist Charles Chubb in 1918 with the black-crested antshrike as the type species. The name of gen ...

'' that was erected by the British ornithologist Charles Chubb in 1918. Six subspecies are recognised.

Description

The black-crested antshrike is typically long, and weighs 24 g. The adult male has a black head, prominent crest, throat and breast, a rufous-brown back, black wings with white feather edges, a short black tail and a white belly. The female and immature males have a chestnut crest and head with black and white barring on the cheeks, dull brown upperparts, black-streaked buff underparts, and browner wing and tail feathers than the male.

Distribution and habitat

This is a bird of undergrowth in

mangrove A mangrove is a shrub or tree that grows in coastal saline or brackish water. The term is also used for tropical coastal vegetation consisting of such species. Mangroves are taxonomically diverse, as a result of convergent evolution in several ...

or other swampy forest and thickets near water. It is usually found as territorial pairs.

Behaviour

The female lays two purple-lined white eggs in a deep cup nest suspended below a branch or vine. They are incubated by both sexes for 14 days to hatching, the female always brooding at night. The chicks fledge in another 12 days. The black-crested antshrike feeds on

insect Insects (from Latin ') are pancrustacean hexapod invertebrates of the class Insecta. They are the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body (head, thorax and abdomen), three pairs ...

s and other

arthropod Arthropods (, (gen. ποδός)) are invertebrate animals with an exoskeleton, a Segmentation (biology), segmented body, and paired jointed appendages. Arthropods form the phylum Arthropoda. They are distinguished by their jointed limbs and Arth ...

s gleaned from foliage. It will also take small

lizard Lizards are a widespread group of squamate reptiles, with over 7,000 species, ranging across all continents except Antarctica, as well as most oceanic island chains. The group is paraphyletic since it excludes the snakes and Amphisbaenia al ...

s and

berries A berry is a small, pulpy, and often edible fruit. Typically, berries are juicy, rounded, brightly colored, sweet, sour or tart, and do not have a stone or pit, although many pips or seeds may be present. Common examples are strawberries, rasp ...

. It is an inconspicuous species, often first located by its song, an accelerating and ascending series of musical notes ', or the call, a snarled '.

References

* * {{Taxonbar, from=Q1270857

black-crested antshrike The black-crested antshrike (''Sakesphorus canadensis'') is a passerine bird in the antbird family. It is a resident breeder in tropical South America in Trinidad, Colombia, Venezuela, the Guianas, northern Brazil and northeastern Peru. It is u ...

Birds of the Amazon Basin Birds of Colombia Birds of Venezuela Birds of the Guianas Birds of the Peruvian Amazon Birds of Trinidad and Tobago