The striated grassbird (''Megalurus palustris'') is an "

Old World warbler The Old World warblers are a large group of birds formerly grouped together in the bird family Sylviidae. They are not closely related to the New World warblers. The family held over 400 species in over 70 genera, and were the source of much taxo ...

" species in the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Locustellidae Locustellidae is a recently recognised family of small insectivorous songbirds (" warblers"), formerly placed in the Old World warbler " wastebin" family. It contains the grasshopper warblers, grassbirds, and the '' Bradypterus'' " bush war ...

. It was formerly placed in the family

Sylviidae Sylviidae is a family of passerine birds that includes the typical warblers ''Sylvia'', and closely related genus '' Curruca'', formerly included in ''Sylvia''. They are found in Eurasia and Africa, with the greatest diversity in the Mediterrane ...

. It is now the only species placed in the

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

''Megalurus''. It is found in

Bangladesh Bangladesh, officially the People's Republic of Bangladesh, is a country in South Asia. It is the List of countries and dependencies by population, eighth-most populous country in the world and among the List of countries and dependencies by ...

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, the

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Thailand Thailand, officially the Kingdom of Thailand and historically known as Siam (the official name until 1939), is a country in Southeast Asia on the Mainland Southeast Asia, Indochinese Peninsula. With a population of almost 66 million, it spa ...

, and

Vietnam Vietnam, officially the Socialist Republic of Vietnam (SRV), is a country at the eastern edge of mainland Southeast Asia, with an area of about and a population of over 100 million, making it the world's List of countries and depende ...

.
Noisy and conspicuous, often sitting and calling exposed on tops of grasses, bushes and telephone wires. Note streaked crown and streaked upper breast. Striatedgrassbirdbydexdroid

This species has an extremely large range, and hence does not approach the thresholds for Vulnerable under the range size criterion (Extent of Occurrence <20,000 km2 combined with a declining or fluctuating range size, habitat extent/quality, or population size and a small number of locations or severe fragmentation). The population trend is not known, but the population is not believed to be decreasing sufficiently rapidly to approach the thresholds under the population trend criterion (>30% decline over ten years or three generations). The population size has not been quantified, but it is not believed to approach the thresholds for Vulnerable under the population size criterion (<10,000 mature individuals with a continuing decline estimated to be >10% in ten years or three generations, or with a specified population structure). For these reasons the species is evaluated as

Least Concern A least-concern species is a species that has been evaluated and categorized by the International Union for Conservation of Nature (IUCN) as not being a focus of wildlife conservation because the specific species is still plentiful in the wil ...

. The genus ''Megalurus'' formerly included additional species. A comprehensive

molecular phylogenetic Molecular phylogenetics () is the branch of phylogeny that analyzes genetic, hereditary molecular differences, predominantly in DNA sequences, to gain information on an organism's evolutionary relationships. From these analyses, it is possible to ...

study of the grassbird family

published in 2018 found that ''Megalurus'' was non-

monophyletic In biological cladistics for the classification of organisms, monophyly is the condition of a taxonomic grouping being a clade – that is, a grouping of organisms which meets these criteria: # the grouping contains its own most recent co ...

. In the resulting reorganization, five species were moved to the resurrected genus ''

Poodytes ''Poodytes'' is a genus of passerine birds in the grassbird family Locustellidae. A molecular phylogenetic study of the grassbird family Locustellidae published in 2018 found that some of the genera, as then defined, were non-monophyletic. In th ...

'' and four species were moved to ''

Cincloramphus ''Cincloramphus'' is a genus of birds in the grassbird family Locustellidae. The genus ''Cincloramphus'' was introduced by the English ornithologist and bird artist John Gould in 1838 with the brown songlark as the type species. The name combin ...

'', leaving only the striated grassbird in ''Megalurus''.

References

striated grassbird The striated grassbird (''Megalurus palustris'') is an "Old World warbler" species in the family (biology), family Locustellidae. It was formerly placed in the family Sylviidae. It is now the only species placed in the genus ''Megalurus''. It is ...

Birds of Indomalaya

Taxonomy articles created by Polbot {{Locustellidae-stub