Grasswren

Genus of birds From Wikipedia, the free encyclopedia

Grasswrens are birds in the genus Amytornis, part of the Australasian wren family, Maluridae.

Phylum:Chordata
Class:Aves
Family:Maluridae
Quick facts Scientific classification, Type species ...
Grasswren
Striated grasswren (Amytornis striatus)
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Maluridae
Genus: Amytornis
Stejneger, 1885
Type species
Malurus textilis
Quoy & Gaimard, 1824
Species

see text

Synonyms
  • Amytis Lesson 1831
  • Diaphorillas
  • Magnamytis
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Taxonomy

The genus name Amytornis was coined in 1885 by the Norwegian born zoologist Leonhard Stejneger as a replacement for Amytis that had been introduced in 1831 by the French naturalist René Lesson.[1][2][3] The name Amytis was pre-occupied as it had been used in 1822 by the French zoologist Marie Jules César Savigny for a group of annelid worms.[3][4] As Lesson had listed two species in his new genus but had not specified a type, the type was designated by the English zoologist George Gray in 1841 as Malurus textilis Quoy and Gaimard, the western grasswren.[5] The replacement name Amytornis combines the genus Amytis that had been introduced by Lesson with the Ancient Greek ορνις/ornis, ορνιθος/ornithos meaning "bird".[6] Amytis was the daughter of the Median king Astyages, and the wife of Cyrus II.[7]

Amytornis is the only genus classified within the subfamily Amytornithinae, and form a separate clade to the related fairy-wrens and emu-wrens within the family Maluridae. The genus contains 14 species, many of which are poorly known due to their secretive nature and remote and inaccessible habitat.

Extant species

The genus contains the following 14 species:[8]

More information Image, Common name ...
ImageCommon nameScientific nameDistribution
Grey grasswrenAmytornis barbatusNew South Wales/Queensland
Black grasswrenAmytornis houseiWestern Australia.
White-throated grasswrenAmytornis woodwardiNorthern Territory.
Carpentarian grasswrenAmytornis dorotheaeNorthern Territory/northwest Queensland.
Short-tailed grasswrenAmytornis merrotsyiSouth Australia
Pilbara grasswrenAmytornis whiteiwest Western Australia
Sandhill grasswrenAmytornis owenicentral Western Australia to central Queensland and northwest South Australia
Opalton grasswrenAmytornis rowleyiQueensland, Australia
Striated grasswrenAmytornis striatusSouth Australia and Victoria
Eyrean grasswrenAmytornis goyderiCentral Australia
Western grasswrenAmytornis textilisnorthwest Western Australia and South Australia
Thick-billed grasswrenAmytornis modestusNew South Wales and South Australia
Dusky grasswrenAmytornis purnelliNorthern Territory, Western Australia and South Australia.
Kalkadoon grasswrenAmytornis ballaraewestern Queensland
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Description

Grasswrens are the largest members of the Australasian wren family, ranging from 15 g (0.53 oz) for the Eyrean grasswren to the 35 g (1.2 oz) white-throated grasswren. They generally have long tails and legs and short wings and are adapted for life foraging on the ground. The bill is typically shorter and narrower than the fairy-wrens and emu-wrens, which reflects the larger part that seeds play in their diet. The plumage of the grasswrens is cryptic, usually red, buff and brown patterned with white and black.[9]

Distribution and habitat

Grasswrens are endemic to Australia. They inhabit remote arid or semi-arid regions of the continent in the interior and north. Species typically occupy small ranges as well. Most species of grasswrens inhabit habitat dominated by spinifex. They are often found in hilly areas dominated by rocks, which provides them with prey as well as shelter, particularly thermal shelter from extremes of heat or cold.[9]

References

Further reading

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