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Titre :
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Genetic and biometric variation across the fragmented range of Jerdon’s Babbler, Chrysomma altirostre, a threatened Oriental grassland specialist (2018)
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Auteurs :
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Keren R. Sadanandan, Auteur ;
Urban Olsson, Auteur ;
Robert Tizard, Auteur ;
Aleem A. Khan, Auteur ;
Thet Zaw Naing, Auteur ;
Naing Lin, Auteur ;
Nila Pwint, Auteur ;
Frank E. Rheindt, Auteur
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Type de document :
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Article
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Dans :
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Journal of Ornithology (159(2) 2018/04/01)
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Article en page(s) :
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575-579
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Langues:
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Anglais
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Résumé :
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Jerdon’s Babbler Chrysomma altirostre is a threatened Oriental grassland specialist passerine heavily affected by habitat loss. Its now-relictual range spans from Pakistan to Myanmar covering three poorly-studied subspecies. Our study of subspecific differentiation revealed limited range-wide mitochondrial divergences, suggesting that mountain ranges and other geographic barriers may not have been insurmountable obstacles to inter-subspecific Pleistocene connectivity of this highly specialized grassland bird. For the westernmost subspecies scindicum, we report on phenotypic differentiation consistent with Gloger’s Rule, and ecomorphological adaptations to arid environments requiring increased mobility.
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En ligne :
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https://link.springer.com/article/10.1007/s10336-018-1530-7
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