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Australo-Papuan babbler
The Pomatostomidae (Australo-Papuan or Australasian babblers, also known as pseudo-babblers) are small to medium-sized birds endemic to Australia-New Guinea. For many years, the Australo-Papuan babblers were classified, rather uncertainly, with the Old World babblers (Timaliidae), on the grounds of similar appearance and habits. More recent research, however, indicates that they are too basal to belong the Passerida - let alone the Sylvioidea where the Old World babblers are placed - and they are now classed as a separate family close to the Orthonychidae (logrunners). Five species in one genus are currently recognised, although the red-breasted subspecies ''rubeculus'' of the grey-crowned babbler may prove to be a separate species.
==Description==
The Australo-Papuan babblers are medium-sized terrestrial birds with sombre plumage and long decurved bills. They range in size from 17–27 cm (7–11 in) in length and 30-85 g (1-3 oz) in weight. The wings are short and round, and the tail is long and often held fanned which makes it look broad as well. The feet and legs are strong and adapted to a terrestrial existence. There is no sexual dimorphism in the plumage, which is composed of brown, russet and grey colours, with all but the Papuan babbler having striking white markings on the face and throat. The plumage of juvenile birds is similar to that of adults. 〔Matthew, Jamie. (2007). Family Pomatostomidae (Australasian Babblers) Pp. 322 – 336 in; del Hoyo, J., Elliott, A. & Christie, D.A. eds. ''Handbook of the Birds of the World'', Vol. 12. Picathartes to Tits and Chickadees. Lynx Edicions, Barcelona.〕
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