Slender-billed thornbill | |
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Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Aves |
Order: | Passeriformes |
Family: | Acanthizidae |
Genus: | Acanthiza |
Species: | A. iredalei |
Binomial name | |
Acanthiza iredalei Mathews, 1911 | |
Subspecies [2] | |
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The slender-billed thornbill (Acanthiza iredalei) is a small bird native to Australia. It includes three sub-species:
This thornbill can be found in shrublands and salt marshes, typically those around salt lakes or low heath on sand plains. [3] It eats mostly insects and spiders captured in the shrubs of its habitat. It rarely feeds on the ground, preferring instead the higher elevations of shrubs and trees. [3]
The slender-billed thornbill is rarely observed alone. They are usually seen in flocks of approximately eight birds or in pairs. Thornbill nests are small and built in low shrubs. They are constructed of grass, bark, cobwebs, and other shrubland debris. Females lay up to three eggs during the breeding season, which runs from July until November. [3]
The thornbill ranges from 9 to 10 centimeters in length. The colour of its back ranges from olive-grey to a darker olive-brown. The base of its tail is olive-yellow. Its underbelly is a smooth cream colour, and it has a dark bill and pale eyes. [3]
The slender-billed thornbill iredalei subspecies has six separate and isolated populations in Western Australia, and a large population in the Carnarvon bioregion. [4] The hedleyi subspecies is found in southeastern South Australia and western Victoria, and the rosinae subspecies is most commonly found in the Gulf St Vincent region of South Australia. [5]
The rosinae subspecies is considered vulnerable. [6] The hedleyi subspecies is considered near threatened. [6] The iredalei subspecies is also considered vulnerable. [7]
The slender-billed thornbill (iredalei subspecies) is extinct in northern Australia, and is considered the only indigenous species to have become extinct in that region since European settlement. [3]
Baillon's crake, also known as the marsh crake, is a small waterbird of the family Rallidae.
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The buff-rumped thornbill is a small passerine bird species belonging to the genus Acanthiza, most of which are endemic to Australia. Measuring 8–10 cm in length, this unassuming thornbill is characterised by its plain greenish brown upperparts and very pale-yellow underparts, with a distinctive buff coloured rump. The tail has a broad, blackish band with a paler tip. Adults possess white irises, whilst juveniles have dark eyes. The buff-rumped thornbill is one of 14 species within the genus Acanthiza genus, which are recognisable by their thin, pointed bill. Species are unique in their plumage and distribution. Despite their shared name, the genus is not related to hummingbirds.
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