Blue-faced parrotfinch

Last updated

Blue-faced parrotfinch
Blue-faced Parrotfinch.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Estrildidae
Genus: Erythrura
Species:
E. trichroa
Binomial name
Erythrura trichroa
(Kittlitz, 1833)
Blue-faced Parrotfinch Distribution.jpg
Distribution

The blue-faced parrotfinch (Erythrura trichroa) is a locally common species of estrildid finch found in north-eastern Australia, Japan, Indonesia, Federated States of Micronesia, France (introduced), New Caledonia, Palau, Papua New Guinea, the Solomon Islands and Vanuatu. It has an estimated global extent of occurrence of 10,000,000 km2.

Contents

It is found in subtropical and tropical zones in both montane and lowland moist forest areas, where it is most often associated with forest edges and disturbed habitat. It feeds largely on seeds of grasses, including in Australia several exotic genera especially Brachiaria. The IUCN has classified the species as being of least concern.

Origin and history

In the past, due to less developed observation techniques, very few blue-faced parrotfinches were spotted. [2] As a result, they were overlooked in historical surveys and categorized as rare. [2]

The first blue-faced parrotfinch was recorded in North Queensland, Australia in 1890. [3] This specimen had a length of 121 mm (4.8 in). Its wings were 62 mm (2.4 in), its tail was 50 mm (2.0 in), and its culmen was 11 mm (0.4 in). [3] It is now kept in the Melbourne Museum. [3] There were other important discoveries of the blue-faced parrotfinch in 1899, 1913, 1914, and 1944, all of which were spotted in north or north-eastern Queensland. [4]

Among the blue-faced parrotfinches in Queensland, one subspecies is Erythrura trichroa macgillivrayi but its conservation status is unknown. [5]

Description

Blue-faced parrotfinch males are multi-shaded with colors ranging from light yellow-green to dark blue-green. [6] On their forehead and face, there are deep blue feathers, and their tails are generally red to rusty red-brown. [6] In terms of length, they are typically 13 cm (5.1 in) long. [6]

On the other hand, the females are covered with a less vibrant blue and are slightly smaller and have more rounded heads. [6]

Among the birds found in Queensland, there was no significant difference in plumage, bill shapes, or genetic composition. [2] This is hypothesized to be caused by nomadic behaviors and the continued gene flow. [2]

Distribution and habitat

The blue-faced parrotfinches prefer rainforest edges and dense grasslands that have woody plants, and they prefer to roost in rainforests. [5] They are widely distributed and found at various altitudes, ranging from sea-level on hot tropical islands to 800–3000 m in New Guinea. [7] It is reported that the blue-faced parrotfinches engage in seasonal and nomadic movements, partly due to their cold-sensitiveness. [6] In the winter, they migrate to the lowlands where there is excessive rainforest clearance. [5]

Behaviour

The blue-faced parrotfinches are inconspicuous and timid, retreating to grasslands for cover. [5]

Feeding

Blue-faced parrotfinches feed on grass and bamboo seeds, small insects, and figs. [6] They primarily consume seeds of Brachiaria decumbens (Signal Grass), then the seeds of Lantana camara (West Indian Lantana), Panicum maximum (Guinea Grass), and A. patrei. [5] They are adaptive enough to eat introduced food sources when they appear. [5]

They forage primarily by perching (at an average height of 0.96 m) and less frequently by climbing and pecking. Due to this, there is not much strong competition between blue-faced parrotfinches and their sympatric species, who tend to forage primarily by climbing. Another reason for this lack of competition is that blue-faced parrotfinches partition food resources with other species by foraging at different preferred microhabitats. [5]

Blue-faced parrotfinches are generally seen in patches, occasionally with 30 or more birds. [2] [6] The number of finches seen together increases in response to sufficient food resources. [2]

Breeding

The females usually lay an average of four eggs, with a maximum of eight. The average incubation time is 15 days, during which the female does most of the incubation and brooding. Meanwhile, the male is responsible for feeding the nestlings. The nestlings fledge around 21 days and continue to be fed by their parents for 10 to 20 days. [6]

Related Research Articles

<span class="mw-page-title-main">Yellow thornbill</span> Species of bird

The yellow thornbill, formerly known as the little thornbill, is a tiny passerine bird endemic to the eastern coast of Australia. While currently listed as Least Concern by the IUCN, the general consensus is that the population is decreasing.

<span class="mw-page-title-main">Gouldian finch</span> Passerine bird native to Australia

The Gouldian finch, also known as the Gould's finch or the rainbow finch, is a colourful passerine bird that is native to Australia.

<span class="mw-page-title-main">Bourke's parrot</span> Species of bird

Bourke's parrot, also known as the blue-vented parrot, sundown parrot, pink-bellied parrot, Bourke's parakeet, Bourke or "Bourkie", is a small parrot found in Australia and the only species in its genus, Neopsephotus. It is approximately 19 cm long and weighs around 45 grams. It is named after General Sir Richard Bourke, Governor of New South Wales from 1831 to 1837.

<span class="mw-page-title-main">Red-browed finch</span> Species of bird

The red-browed finch is an estrildid finch that inhabits the east coast of Australia. This species has also been introduced to French Polynesia. It is commonly found in temperate forest and dry savannah habitats. It may also be found in dry forest and mangrove habitats in tropical region.

<span class="mw-page-title-main">Swift parrot</span> Critically endangered species of Australian bird

The swift parrot is a species of broad-tailed parrot, found only in southeastern Australia. The species breeds in Tasmania during the summer and migrates north to south eastern mainland Australia from Griffith-Warialda in New South Wales and west to Adelaide in the winter. It is a nomadic migrant, and it settles in an area only when there is food available. The Swift Parrot was voted 2023 Bird of the Year in The Guardian Australia and BirdLife Australia’s biennial poll.

<span class="mw-page-title-main">Painted finch</span> Australian bird

The painted finch is a common species of estrildid finch found in Australia. The painted finch acquired its name due to the red and white spotted and mottled underparts of both males and females. The binomial comes from emblema meaning 'mosaic or inlaid work'; and pictum derives from the Latin word pictus, meaning 'painted'. Other names include Emblema finch, mountain finch, painted firetail and Emblema. The painted finch is a popular bird to be kept in captivity and in backyard aviaries.

<span class="mw-page-title-main">Crimson finch</span> Species of bird

The crimson finch is a species of bird in the family Estrildidae. It is found throughout Northern Australia as well as parts of southern New Guinea. Crimson finches feature a distinctively bright crimson coat and are known for their aggression.

<span class="mw-page-title-main">Black-throated finch</span> Species of Australian bird

The black-throated finch, or parson finch, is a species of estrildid finch found in grassy woodlands throughout north-east Australia from Cape York Peninsula to central Queensland. The southern black-throated finch is endangered, with a population in decline and its habitat is threatened by development, and has become extinct in New South Wales, while the northern black-throated finch is not listed as threatened at this point.

<span class="mw-page-title-main">Papuan parrotfinch</span> Species of bird

The Papuan parrotfinch is a common species of estrildid finch found in New Guinea. It has an estimated global extent of occurrence of 50,000 to 100,000 km2. There is some doubt as to whether this species and the blue-faced parrotfinch are conspecific.

<span class="mw-page-title-main">Fiji parrotfinch</span> Species of bird in the family Estreldidae

The Fiji parrotfinch is a species of estrildid finch endemic to Fiji that was formerly considered to be a subspecies of the red-headed parrotfinch. This parrotfinch is a small, mainly green bird with a red head and tail and a stubby dark grey bill. It is found in both forested and open habitats, and has adapted well to man-made environments such as grasslands, pasture and gardens. Pairs have a courtship display in which they fly above the trees in an undulating flight, calling constantly. Breeding birds build a domed grass nest with a side entrance, and lay a clutch normally of four white eggs. Newly hatched chicks are naked and pink, with blue balls at the upper and lower corners of the gape, and black markings inside the mouth; older fledglings resemble the adults, but lack the red head colouring. The Fiji parrotfinch eats seeds, especially of grasses, and also readily feeds on insects and nectar. It forms small flocks of up to six birds after the breeding season.

<span class="mw-page-title-main">Royal parrotfinch</span> Species of bird

The royal parrotfinch is a species of estrildid finch endemic to Vanuatu in the South Pacific Ocean. It is found commonly at mid-altitudes on the larger islands such as Espiritu Santo, above 300 m., but it also can be found at small sea-level islands in fruiting figs in forest edge in Emae and Tongoa. This species is usually found in singles, pairs or small groups feeding on figs in the forest canopy. Clements has lumped this bird into the red-headed parrotfinch.

<span class="mw-page-title-main">Pink-billed parrotfinch</span> Species of bird

The pink-billed parrotfinch is a species of estrildid finch found on the island of Viti Levu, Fiji. Commonly found at undisturbed mature forest in the centre and east of Viti Levu, e.g. Joske's Thumb near Suva. This species is found at mid-height along tree-trunks and branches, usually alone or in pairs but also joining mixed-species flocks, feeding primarily on insects, but also on flower buds and fruits.

<span class="mw-page-title-main">Lesser sooty owl</span> Species of owl

The lesser sooty owl is a medium-sized barn owl endemic to the wet tropics region of Australia. Once considered a subspecies of the greater sooty owl, it is distinguished by its dark plumage, heavier spotting, and higher-pitched call. The lesser sooty owl has a limited range within northeastern Australia and primarily lives in dark, sheltered areas of the rainforest.

<span class="mw-page-title-main">Inland thornbill</span> Species of bird

The inland thornbill was originally described by English ornithologist John Gould in The Birds of Australia. Inland thornbills are within the order passerines. The inland thornbill belongs to the genus Acanthiza, which now has three more species than the eleven outlined by Gould in The Birds of Australia. The Noongar people of southwestern Western Australia call A. apicalis "Djoobi-Djoolbang". The inland thornbill is also known as the broad-tail thornbill and presently contains several subspecies that were once considered independent species. The word apicalis comes from the Latin for 'tipped'.

<span class="mw-page-title-main">Black honeyeater</span> Bird in the family Meliphagidae endemic to Australia

The black honeyeater is a species of bird in the honeyeater family Meliphagidae. The black honeyeater exhibits sexual dimorphism, with the male being black and white while the female is a speckled grey-brown; immature birds look like the female. The species is endemic to Australia, and ranges widely across the arid areas of the continent, through open woodland and shrubland, particularly in areas where the emu bush and related species occur.

<span class="mw-page-title-main">Rufous bristlebird</span> Species of bird

The rufous bristlebird is one of three extant species of bristlebirds. It is endemic to Australia where three subspecies have been described from coastal southwestern Western Australia, southeastern South Australia and southwestern Victoria. Its natural habitat is coastal shrublands and heathlands. It is threatened by habitat destruction.

<span class="mw-page-title-main">Pictorella mannikin</span> Species of bird

The pictorella mannikin, pictorella munia, or pictorella finch is small brown and grey finch with a grey bill and distinctive scaly white breast plate which is endemic to northern Australia. It is a seed-eater found in pairs and small flocks in dry savannah and subtropical or tropical dry lowland grassland.

<span class="mw-page-title-main">Gilbert's whistler</span> Species of bird

The Gilbert's whistler is a monotypic species of bird endemic to Australia, scattered in semi-arid zones of southern Australia.

<span class="mw-page-title-main">Parrotfinch</span> Genus of birds

Parrotfinches are small, colourful passerine birds belonging to the genus Erythrura in the family Estrildidae, the estrildid finches. They occur from South-east Asia to New Guinea, and many Pacific Islands. They inhabit forest, bamboo thickets and grassland and some can be found in man-made habitats such as farmland, parks and gardens. Several species are commonly kept as cagebirds.

Carla Perdita Catterall is an Australian ecologist and ornithologist. As of 2021 she is Emeritus Professor at Griffith University.

References

  1. BirdLife International (2018). "Erythrura trichroa". IUCN Red List of Threatened Species . 2018: e.T22719712A131996890. doi: 10.2305/IUCN.UK.2018-2.RLTS.T22719712A131996890.en . Retrieved 12 November 2021.
  2. 1 2 3 4 5 6 DeCicco, Lucas H.; Klicka, Luke B.; Campillo, Luke C.; Tigulu, Ikuo G.; Tako, Reuben; Waihuru, Joseph; Pikacha, Douglas; Pollard, Edgar; Sirikolo, L. Abraham; Mapel, Xena M.; McCullough, Jenna M. (2020-07-22). "New distributional records of the Blue-faced Parrotfinch (Erythrura trichroa) in the Solomon Islands". The Wilson Journal of Ornithology. 132 (1): 192. doi:10.1676/1559-4491-132.1.192. ISSN   1559-4491. S2CID   220714472.
  3. 1 2 3 Kershaw J.A. (1918) Australian Green-backed Finch (Erythrura trichroa macgillivray). Emu 18, 1-1.
  4. Kershaw, J. A. (1918). "Australian Green-backed Finch (Erythrura trichroa macgillivray)". Emu. 18 (1): 1. doi: 10.1071/mu918001 . ISSN   1448-5540.
  5. 1 2 3 4 5 6 7 Craig, Michael D. (December 2003). "An ecological study of the Blue-faced Parrot-Finch ( Erythrura trichroa macgillivrayi ) near Yungaburra, Australia". Emu - Austral Ornithology. 103 (4): 363–368. doi:10.1071/MU02047. ISSN   0158-4197. S2CID   84738496.
  6. 1 2 3 4 5 6 7 8 Kyle-Gillis, Leslie J. (1999). "Blue-Faced Parrotfinch (Erythrura trichroa)". AFA Watchbird. 26 (3): 17.
  7. Bell, H. L. (March 1970). "Distribution of the Blue-faced Parrot-Finch". Emu - Austral Ornithology. 70 (1): 32. doi:10.1071/MU970031e. ISSN   0158-4197.