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Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Craniata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Classis: Reptilia
Cladus: Eureptilia
Cladus: Romeriida
Subclassis: Diapsida
Cladus: Sauria
Infraclassis: Archosauromorpha
Cladus: Crurotarsi
Divisio: Archosauria
Subsectio: Ornithodira
Subtaxon: Dinosauromorpha
Cladus: Dinosauria
Ordo: Saurischia
Cladus: Theropoda
Cladus: Neotheropoda
Infraclassis: Aves
Ordo: Passeriformes
Subordo: Passeri
Parvordo: Corvida
Superfamilia: Corvoidea

Familia: Cinclosomatidae
Genus: Ptilorrhoa
Species: P. caerulescens - P. castanonota - P. leucosticta

Ptilorrhoa J. L. Peters, 1940
The Auk 57 p. 94

The jewel-babblers are the bird genus Ptilorrhoa in the family Cinclosomatidae. The genus contains four species that are endemic to New Guinea. The genus was once considered to contain the rail-babbler,[1] but that species is now considered to belong to its own family. The genus is closely related to the better known quail-thrushes (Cinclosoma) of New Guinea and Australia. Together with a number of other genera they comprise the family Cinclosomatidae, although the validity of this family as a whole has been questioned.

The jewel-babblers resemble the quail-thrushes in shape, being plump, long-tailed and short winged. They are adapted to life on the forest floor. The plumage of this genus is the most striking divergence from the quail-thrushes, having large amounts of blue and often with chestnut on the back. The throats of all species are white and the patch is mostly surrounded by a black edge. There is moderate levels of sexual dimorphism in the plumage, except in the dimorphic jewel-babbler where the female has no blue and is all chestnut coloured. When moving they hold the body horizontally to the ground, and bob their heads back and forth in a similar fashion to pigeons, and move their tail in a fashion similar to wagtails.

The jewel-babblers as a whole are not a well known or studied genus.

It contains the following species:
Image Common Name Scientific name Distribution
EupetesLeucostictusSmit.jpg Spotted jewel-babbler Ptilorrhoa leucosticta Highland forest, New Guinea
Ptilorrhoa caerulescens 1838.jpg Blue jewel-babbler Ptilorrhoa caerulescens subtropical or tropical moist lowland forests, New Guinea
Brown-headed jewel-babbler Ptilorrha geislerorum New Guinea
Eupetes castanonotus - The Birds of New Guinea (cropped).jpg Chestnut-backed jewel-babbler Ptilorrhoa castanonota subtropical or tropical moist lowland forests, New Guinea

Peters, James L. (1940). "A Genus for Eupetes caerulescens Temminck" (PDF). The Auk. 57 (1): 94.

Del Hoyo, J.; Elliot, A. & Christie D. (editors). (2007). Handbook of the Birds of the World. Volume 12: Picathartes to Tits and Chickadees. Lynx Edicions. ISBN 978-84-96553-42-2

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