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Miocene diversification of an open-habitat predatorial passerine radiation, the shrikes (Aves: Passeriformes: Laniidae)
Sorbonne Univ, UPMC, CNRS,EPHE, UMR7205,Inst Systemat,Evolut,Biodiversite,MNHN, CP 51,57 Rue Cuvier, F-75231 Paris 05, France.
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Ecology and Genetics, Animal ecology. Swedish Univ Agr Sci, Swedish Species Informat Ctr, Uppsala, Sweden;Chinese Acad Sci, Inst Zool, Key Lab Zool Syst & Evolut, Beijing, Peoples R China.ORCID iD: 0000-0001-7182-2763
Ben Gurion Univ Negev, Elat, Israel.ORCID iD: 0000-0003-4331-9866
Univ Gothenburg, Dept Biol & Environm Sci, Gothenburg, Sweden.
2019 (English)In: Zoologica Scripta, ISSN 0300-3256, E-ISSN 1463-6409, Vol. 48, no 5, p. 571-588Article in journal (Refereed) Published
Abstract [en]

Diversification of avifaunas associated with savannah and steppes appears to correlate with open habitats becoming available, starting in the Miocene. Few comparative analyses exist for families for which all species are predominantly adapted to these habitats. One such group is Laniidae (Passeriformes), which are small- to medium-sized predatory passerines known for their distinctive behaviour of impaling prey. We used multispecies coalescent-based and concatenation methods to provide the first complete species-level phylogeny for this group, as well as an estimate of the timing of diversification. Our analyses indicate that Laniidae as currently delimited is not monophyletic, as the genus Eurocephalus is not closely related to the remaining species. The two species currently assigned to the monotypic genera Urolestes and Corvinella are part of the same clade as the Lanius species, and we propose that they are included in the genus Lanius, making Laniidae monogeneric. The initial diversification of the clade is inferred to have occurred very rapidly, starting about 7.2-9.1 million years ago, timing depending on calibration method, but in either case coinciding with the expansion of C4 grasses. An African origin is inferred in the biogeographic analysis. In the redefined Laniidae, cooperative breeding is inferred to be restricted to a single clade, characterized by gregarious behaviour and rallying. Migratory behaviour evolved multiple times within the family.

Place, publisher, year, edition, pages
WILEY , 2019. Vol. 48, no 5, p. 571-588
Keywords [en]
biogeography, gregarious behaviour, Lanius, migratory behaviour, molecular phylogeny, radiation
National Category
Evolutionary Biology Biological Systematics
Identifiers
URN: urn:nbn:se:uu:diva-396113DOI: 10.1111/zsc.12363ISI: 000481121100001OAI: oai:DiVA.org:uu-396113DiVA, id: diva2:1367086
Funder
Swedish Research Council, 2015-04402Available from: 2019-10-31 Created: 2019-10-31 Last updated: 2019-10-31Bibliographically approved

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