J.L. Peters, 1940
4, see text
|Global range (In red)|
The jewel-babblers are a genus, Ptilorrhoa of birds in the Cinclosomatidae family. The genus contains four species that are endemic to New Guinea. The genus was once considered to contain the rail-babbler, 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:
- Spotted jewel-babbler (Ptilorrhoa leucosticta)
- Blue jewel-babbler (Ptilorrhoa caerulescens)
- Brown-headed jewel-babbler (Ptilorrha (caerulescens) geislerorum)
- Chestnut-backed jewel-babbler (Ptilorrhoa castanonota)
- 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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