Jerdon's bush lark

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Jerdon's bush lark
Jerdon's bushlark (Mirafra affinis).jpg
in Sri Lanka
Song from perch. Bandipur, India
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Alaudidae
Genus: Plocealauda
Species:
P. affinis
Binomial name
Plocealauda affinis
(Blyth, 1845)
MirafraMap.svg
range in bright green
Synonyms
  • Mirafra assamica affinis

Jerdon's bush lark (Plocealauda affinis) or Jerdon's lark is a species of lark in the family Alaudidae found in south Asia. This was formerly considered as a subspecies of Mirafra assamica and termed as the Madras bushlark. Two other species in the complex include Mirafra marionae and Mirafra microptera . Jerdon's bush lark is typically very pale on the underside

Contents

Taxonomy and systematics

The common name commemorates the surgeon-naturalist Thomas C. Jerdon. [2]

Formerly, Jerdon's bush lark was considered to be a subspecies of the Bengal bush lark (as M. assamica affinis) until studies of differences in call and distribution led to it being treated as a separate species. [3] However, not all authorities recognize this species split. [4]

The species is monotypic: no subspecies are recognised. [5] Jerdon's bush lark was formerly placed in the genus Mirafra but was one of five species moved to the newly erected genus Plocealauda based on evidence from a large molecular genetic study published in 2023. [5] [6]

Description

Jerdon's bush lark has arrowhead-like spots pointing upwards on the breast. It is very similar to the Indian bush lark (M. erythroptera) but has buffy lores, less white behind ear coverts, darker center to wing coverts and central tail feathers. Dark centers of primary coverts are prominent, and wing panels are duller and rufous. In the southern Western Ghats, the race ceylonensis is darker and more rufous on the underside and has a longer bill. [7] Jerdon's bush lark has paler, greyish-brown underparts.

The song of the Jerdon's bush lark is a dry rattle given from its perch. [3]

Distribution and habitat

Jerdon's bush lark has a large range in south-east India and Sri Lanka, with an estimated global extent of occurrence of 100,000-1,000,000 square kilometers. [8]

It has proven adaptable to a variety of open habitats up to a maximum elevation of 1500 m. Some of these are forest perimeters, rocky scrubland, scrubby hill meadows and clearings in open-type forests, shrub-edged unused croplands, and thickets of bamboo. [8]

Behaviour and ecology

Its song-flight is similar to that of the Indian bush lark, However, unlike the aforementioned species, Jerdon's bush lark often perches on trees and wires. [7]

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References

  1. ↑ BirdLife International (2016). "Mirafra affinis". IUCN Red List of Threatened Species . 2016: e.T22732442A95047275. doi: 10.2305/IUCN.UK.2016-3.RLTS.T22732442A95047275.en . Retrieved 12 November 2021.
  2. ↑ Beolens, Bo; Watkins, Michael (2003). Whose Bird? Men and Women Commemorated in the Common Names of Birds. London: Christopher Helm. pp. 180–181.
  3. 1 2 Alström, Per (1998). "Taxonomy of the Mirafra assamica complex" (PDF). Forktail. 13: 97–107. Archived from the original (PDF) on March 7, 2008. Retrieved May 1, 2009.
  4. ↑ "Mirafra affinis - Avibase". avibase.bsc-eoc.org. Retrieved 2016-11-28.
  5. 1 2 Gill, Frank; Donsker, David; Rasmussen, Pamela, eds. (August 2024). "Nicators, Bearded Reedling, larks". IOC World Bird List Version 14.2. International Ornithologists' Union. Retrieved 10 September 2024.
  6. ↑ Alström, P.; Mohammadi, Z.; Enbody, E.D.; Irestedt, M.; Engelbrecht, D.; Crochet, P.-A.; Guillaumet, A.; Rancilhac, L.; Tieleman, B.I.; Olsson, U.; Donald, P.F.; Stervander, M. (2023). "Systematics of the avian family Alaudidae using multilocus and genomic data". Avian Research. 14: 100095. doi: 10.1016/j.avrs.2023.100095 .
  7. 1 2 P.C. Rasmussen & J.C. Anderton (2005). Birds of South Asia. The Ripley Guide. Lynx Edicions.
  8. 1 2 Compiler: Helen Temple (2008). "Jerdon's Bushlark - BirdLife Species Factsheet". Evaluators: Jeremy Bird, Stuart Butchart, Helen Temple. BirdLife International . Retrieved May 9, 2009.


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