Thrashers are a New World group of

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 ...

s related to

mockingbird Mockingbirds are a group of New World passerine birds from the family Mimidae. They are best known for the habit of some species mimicking the songs of other birds and the sounds of insects and amphibians, often loudly and in rapid succession. ...

s and

New World catbird 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 are the ...

s. Like these, they are in 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 ...

Mimidae. There are 15 species in one large and 4

monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispe ...

genera. These do not form a clade but are a

phenetic In biology, phenetics ( el, phainein – to appear) , also known as taximetrics, is an attempt to classify organisms based on overall similarity, usually in morphology or other observable traits, regardless of their phylogeny or evolutionary re ...

assemblage. It is rather likely than not — though by no means robustly supported — that the

sage thrasher The sage thrasher (''Oreoscoptes montanus'') is a medium-sized passerine bird from the family Mimidae, which also includes mockingbirds, tremblers, and New World catbirds. It is the only member of the genus ''Oreoscoptes''. This seems less clo ...

is a basal lineage among a group also consisting of

s and ''

Toxostoma ''Toxostoma'' is a genus of bird in the family Mimidae. This genus contains most of the birds called thrashers, and accordingly members of this genus are sometimes referred to as the "typical thrashers". Description They measure 22 to 32 cm long ...

'' thrashers. The Caribbean thrashers occupy varying positions in an assemblage consisting of them, the

trembler Tremblers are a New World group of passerine birds related to mockingbirds and New World catbirds. Like these, they are in the family Mimidae. There are 2-4 species in one genus, ''Cinclocerthia'', which is endemic to the Lesser Antilles: * Gr ...

s, and the

s. Here, the

white-breasted thrasher The white-breasted thrasher (''Ramphocinclus brachyurus''), also known as goj blan in Creole, is a species of bird in the family Mimidae. Semper and Sclater (1872) describe the white-breasted thrasher as an "inquisitive and noisy bird" that woul ...

appears to be quite basal though it is impossible to place it anywhere with certainty, whereas the

pearly-eyed thrasher The pearly-eyed thrasher (''Margarops fuscatus'') is a bird in the thrasher family Mimidae. It is found on many Caribbean islands, from the Bahamas in the north to the Grenadines in the south, with an isolated subspecies on Bonaire. Descriptio ...

is probably quite close to the tremblers. (Hunt ''et al.'' 2001, Barber ''et al.'' 2004) Their common name describes the behaviour of these birds when searching for food on the ground: they use their long bills to "thrash" through dirt or dead leaves. All of these birds eat

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 ...

s and several species also eat berries.

Taxonomic list

References

* 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. (HTML abstract) * Hunt, Jeffrey S.; Bermingham, Eldredge; & Ricklefs, Robert E. (2001): Molecular systematics and biogeography of Antillean thrashers, tremblers, and mockingbirds (Aves: Mimidae). ''

Auk An auk or alcid is a bird of the family Alcidae in the order Charadriiformes. The alcid family includes the murres, guillemots, auklets, puffins, and murrelets. The word "auk" is derived from Icelandic ''álka'', from Old Norse ''alka'' (a ...

'' 118(1): 35–55. DOI:10.1642/0004-8038(2001)118 035:MSABOA.0.CO;2HTML fulltext without images

External links

Thrasher videos
on the Internet Bird Collection {{Authority control Mimidae * Bird common names