U. Olsson

Publications20
h-index6
Citations340
Highly Influential Citations13
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Niche filling slows the diversification of Himalayan songbirds
Speciation generally involves a three-step process—range expansion, range fragmentation and the development of reproductive isolation between spatially separated populations. Speciation relies on… Expand
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Species delimitation based on multiple criteria : the Spotted Bush Warbler Bradypterus thoracicus complex (Aves : Megaluridae)
We demonstrate the importance of using multiple criteria in species delimitations, whatever the conceptual base for species delimitation. We do this by studying plumage, biometrics, egg coloration,… Expand
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Mitochondrial phylogeography of the genus Eremophila confirms underestimated species diversity in the Palearctic
AbstractPhylogeographic analyses of the genus Eremophila (Horned Lark E. alpestris and Temminck’s Lark E. bilopha) were carried out based on the mitochondrial cytochrome b and ND2 genes. Four primary… Expand
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The “Very Thankless Task”: Revision of Lunaceps Clay and Meinertzhagen, 1939 (Insecta: Phthiraptera: Ischnocera: Philopteridae), with descriptions of six new species and one new subspecies
The louse genus Lunaceps Clay and Meinertzhagen, 1939, parasitic on shorebirds (Charadriiformes: Scolopacidae) is re-vised. Six new species and one new subspecies of Lunaceps Clay and Meinertzhagen,… Expand
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Evaluation of the use of Swedish integrated electronic health records and register health care data as support clinical trials in severe asthma: the PACEHR study
BackgroundIn the development of new drugs for severe asthma, it is a challenge from an ethical point of view to randomize severe asthma patients to placebo, and to obtain long-term safety data due to… Expand
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Multiple instances of paraphyletic species and cryptic taxa revealed by mitochondrial and nuclear RAD data for Calandrella larks (Aves: Alaudidae).
The avian genus Calandrella (larks) was recently suggested to be non-monophyletic, and was divided into two genera, of which Calandrella sensu stricto comprises 4-5 species in Eurasia and Africa. We… Expand
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Miocene diversification of an open‐habitat predatorial passerine radiation, the shrikes (Aves: Passeriformes: Laniidae)
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… Expand
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Unexpected divergence and lack of divergence revealed in continental Asian Cyornis flycatchers (Aves: Muscicapidae).
The flycatcher genus Cyornis (Aves: Muscicapidae) comprises 25 species with Oriental distributions. Their relationships are poorly known. We analyzed the phylogenetic relationships of 70 individuals… Expand
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A comprehensive phylogeny and taxonomic evaluation of the waxbills (Aves: Estrildidae).
We present a revised taxonomy of Estrildidae based on the first time-calibrated phylogeny of the family Estrildidae estimated from a data set including the majority of the species, and all genera… Expand
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Unexpected distribution patterns of Carduiceps feather lice (Phthiraptera: Ischnocera: Philopteridae) on sandpipers (Aves: Charadriiformes: Scolopacidae)
The louse genus Carduiceps Clay & Meinertzhagen, 1939 is widely distributed on sandpipers and stints (Calidrinae). The current taxonomy includes three species on the Calidrinae (Carduiceps… Expand
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