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Pomatostomidae - Australasian Babblers

Pomatostomus
Hall's Babbler Pomatostomus halli ©Ian Montgomery Website

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-crownedBabbler may prove to be a separate species.

The Australo-Papuan babblers are medium-sized terrestrial passerines with sombre plumage and long decurved bills. They range in size from 17cm to 27cm in length and 30g

to 85g 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.

All five species are ground-feeding omnivores and highly social. Babblers live in family groups and small flocks of up to about 20 individuals and forage communally, calling loudly to one another all day long. They feed principally on insects and other invertebrates, but will also take seeds, fruits and small vertebrates. Most food is obtained on the ground, although they will also forage in low bushes; the Grey-crowned Babbler and Papuan Babbler feed more extensively in vegetation than the other species. The long bill is used to probe and overturn large objects. They will also hold objects with one foot and hammer them with the bill in order to extract food.

They are monogamous breeders which defend territories. The breeding pair will be aided in breeding by a number of helpers from its group. This is similar to the cooperative breeding system used by the fish species Neolamprologus pulcher with the difference being that it is polygynous. A number of groups may have more than one breeding pair. Extra male helpers aid the male in his responsibilities whereas the females aid the main breeding female in hers. They have an extended breeding season. They construct large nests for communal roosting, and these nests may be used for breeding, or new nests may be constructed. There may be a large number of nests used by the group in a small area. When the female is breeding she alone uses the breeding nest. Construction, both of roosting and breeding nests, is undertaken by all birds in the group. Between one and six eggs are laid (the number and range varies by species) and are usually incubated by the breeding female alone (although a helper female may aid occasionally). The breeding male and other helper males feed the breeding female during incubation. Incubation lasts between 19 to 25 days. The female broods the chicks until they are able to thermoregulate, and the chicks fledge after 16 to 23 days. After leaving the nest, the chicks will continue to be fed by the adults for a number of months.

According to the IOC there are just five species of pseudo Pittas; they are:

Papuan Babbler Pomatostomus isidorei
Grey-crowned Babbler Pomatostomus temporalis
Hall's Babbler Pomatostomus halli
White-browed Babbler Pomatostomus superciliosus
Chestnut-crowned Babbler Pomatostomus ruficeps

Family Links

Pseudo-babblers Pomatostomidae

Family Account

Full family account with images etc…

Pseudo-babblers Pomatostomidae

HBW Family Account

Pseudo-babblers Pomatostomidae

Family Account

The Pomatostomidae (Australo-Papuan or Australasian babblers, also known as pseudo-babblers) are small to medium-sized birds endemic to Australia-New Guinea.

Pseudo-babblers Pomatostomidae

IBC Family Account

Family account…

Species Links

Chestnut-crowned Babbler Pomatostomus ruficeps

Species Account

The chestnut-crowned babbler (Pomatostomus ruficeps) is a medium-sized bird that is endemic to arid and semi-arid areas of south-eastern Australia.

Chestnut-crowned Babbler Pomatostomus ruficeps

BirdLife Species Account

Chestnut-crowned Babbler Pomatostomus ruficeps

HBW Species Account

Taxonomy: Pomatorhinus ruficeps Hartlaub, 1852, Adelaide, South Australia; error = Broken Hill District, New South Wales, Australia. Monotypic.

Chestnut-crowned Babbler Pomatostomus ruficeps

Species Account

Sound archive and distribution map.

Chestnut-crowned Babbler Pomatostomus ruficeps

Species Account

The Chestnut-crowned Babbler is a medium-sized dark brown-grey bird with a white throat and white-tipped tail and a rather long and down-curved bill.

Grey-crowned Babbler Pomatostomus temporalis

Species Account

Sound archive and distribution map.

Grey-crowned Babbler Pomatostomus temporalis

BirdLife Species Account

Grey-crowned Babbler Pomatostomus temporalis

HBW Species Account

Taxonomy: [Pomatorhinus] Temporalis Vigors and Horsfield, 1827, Shoalwater Bay, Queensland, Australia.

Grey-crowned Babbler Pomatostomus temporalis

Species Account

The grey-crowned babbler (Pomatostomus temporalis) is a species of bird in the family Pomatostomidae. It is found in Australia, Indonesia, and Papua New Guinea. Its natural habitats are temperate forests and subtropical or tropical moist lowland forests.

Grey-crowned Babbler Pomatostomus temporalis

Species Account

The Grey-crowned Babbler is the largest of Australia's four babbler species. It is dark brown-grey above, with a distinctive grey crown stripe and a dark face mask that contrasts with a white eyebrow.

Hall's Babbler Pomatostomus halli

Species Account

Hall's babbler is a small species of bird in the Pomatostomidae family most commonly found in dry Acacia scrubland of interior regions of eastern Australia.

Hall's Babbler Pomatostomus halli

BirdLife Species Account

Hall's Babbler Pomatostomus halli

Species Account

The Hall's Babbler is dark brown all over except for very wide white eyebrows, a white bib from beak to mid-breast and white tips to its tail feathers.

Hall's Babbler Pomatostomus halli

HBW Species Account

Taxonomy: Pomatostomus halli Cowles, 1964, Tyrone Station, south-western Queensland, Australia. Monotypic.

Hall's Babbler Pomatostomus halli

Species Account

Sound archive and distribution map.

Papuan Babbler Pomatostomus isidorei

Species Account

The Papuan babbler or New Guinea babbler or Isidore's rufous babbler (Pomatostomus isidorei or Garritornis isidorei) is a species of bird in the family Pomatostomidae. It is found in Indonesia and Papua New Guinea. Its natural habitat is subtropical or tropical moist lowland forests.

Papuan Babbler Pomatostomus isidorei

BirdLife Species Account

Papuan Babbler Pomatostomus isidorei

HBW Species Account

Taxonomy: Pomatorhinus Isidorei Lesson, 1827, Dorei Harbour = Manokwari, north-western New Guinea. Sometimes placed in a separate genus, Garritornis, on basis mainly of yellow (not black) bill, rufous plumage coloration and distinctive pendent nest, and recent analyses suggest some possible genetic differences; further study required. Precise distributions of races uncertain; details given below are tentative. Two subspecies recognized.

Papuan Babbler Pomatostomus isidorei

Species Account

Sound archive and distribution map.

White-browed Babbler Pomatostomus superciliosus

Species Account

The white-browed babbler (Pomatostomus superciliosus) is a small, gregarious species of bird in the family Pomatostomidae.[2] They are endemic to the open woodlands and shrubby areas of central and southern Australia.

White-browed Babbler Pomatostomus superciliosus

BirdLife Species Account

White-browed Babbler Pomatostomus superciliosus

HBW Species Account

Taxonomy: [Pomatorhinus] Superciliosus Vigors and Horsfield, 1827, Yorke Peninsula, South Australia. Geographical variation slight and perhaps to some extent clinal, and races intergrade; validity of races questioned, some authors considering differences due largely to degree of plumage wear; further study required. Birds from Gascoyne valley (W Western Australia) sometimes separated as gwendolenae, but appears indistinguishable from nominate and ashbyi. Four subspecies currently recognized.

White-browed Babbler Pomatostomus superciliosus

Species Account

The White-browed Babbler is a small dark brown-grey bird with a white throat, a white tipped tail and a long, pointed curved bill.

White-browed Babbler Pomatostomus superciliosus

Species Account

Sound archive and distribution map.

Number of Species

Number of bird species: 5