Results 161 to 170 of about 23,597 (208)
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Speciation in Allopatric Species of the Hamster Subfamily Cricetinae (Rodentia, Cricetidae)
Biology Bulletin Reviews, 2019Abstract—According to the Dobzhansky–Muller model (Dobzhansky, 1937; Muller, 1942), in the absence of gene flow, conspecific populations can become reproductively isolated, and postzygotic isolation should increase proportionally to the square of divergence time.
N. Feoktistova +5 more
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Biology Bulletin, 2016
Contrary to the pre-existing concepts based on morphological and karyological data on the impossibility of hybridization between hamster species of the genus Allocricetulus (A. curtatus and A. eversmanni), F1 hybrids in both combinations, and backcrosses, were obtained for the first time.
A. V. Gureeva +4 more
semanticscholar +3 more sources
Contrary to the pre-existing concepts based on morphological and karyological data on the impossibility of hybridization between hamster species of the genus Allocricetulus (A. curtatus and A. eversmanni), F1 hybrids in both combinations, and backcrosses, were obtained for the first time.
A. V. Gureeva +4 more
semanticscholar +3 more sources
Phylogenomic analyses of hamsters (Cricetinae) inferred from GBS data and mitochondrial genomes.
Molecular Phylogenetics and EvolutionAccurate species delimitation and identification is crucial for species conservation, providing a foundation for studies on evolutionary biology, ecology, and essentially all biological disciplines. The subfamily Cricetinae (Cricetidae, Rodentia), known as hamsters, is widely distributed in the Palearctic region.
Xuan Pan +9 more
semanticscholar +3 more sources
Zoologischer Anzeiger, 2021
Abstract Phodopus is the smallest cricetine genus, consisting of the dwarf hamsters (Phodopus sungorus, Phodopus campbelli, and Phodopus roborovskii) of arid central and east Asia. Persistent taxonomic issues in this genus include (1) whether P. sungorus and P. campbelli are con- or heterospecific and (2) whether P.
B. H. Alhajeri
semanticscholar +2 more sources
Abstract Phodopus is the smallest cricetine genus, consisting of the dwarf hamsters (Phodopus sungorus, Phodopus campbelli, and Phodopus roborovskii) of arid central and east Asia. Persistent taxonomic issues in this genus include (1) whether P. sungorus and P. campbelli are con- or heterospecific and (2) whether P.
B. H. Alhajeri
semanticscholar +2 more sources
Experimental Comparative Analysis of Hunting Behavior in Four Species of Cricetinae Hamsters
Biology Bulletin, 2019In laboratory experiments we investigate hunting behavior towards insects in Phodopus sungorus (Pallas 1773), P. сampbelli (Thomas 1905), Allocricetulus eversmanni (Brandt 1859), and A. curtatus (Allen 1925). In these species purposeful inter-relations with insects in the predator–prey manner have been revealed and described in details.
J. Levenets +5 more
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Daily torpor in hamsters (Rodentia, Cricetinae)
Russian Journal of Ecology, 2012Study of ecological adaptations, including torpor, related to survival through the adverse conditions of the autumn-winter season is important for both the estimation of the body reserves in mammals in general and the search for the ways to increase the cold-stress resistance in humans. The changes in the body temperature during the period from October
M. Ushakova +3 more
semanticscholar +2 more sources
Acta Zoologica Lituanica, 2011
An ecomorphological analysis was applied to hamsters, Cricetinae. This subfamily includes seven genera and 18 species which inhabit forest-steppes, steppes, and semi-deserts of Palaearctic Eurasia. The main goals of this study were: (1) to reveal the morphological peculiarities of hamsters and the ecological meaning of these peculiarities, (2) to ...
A. Miljutin
semanticscholar +2 more sources
An ecomorphological analysis was applied to hamsters, Cricetinae. This subfamily includes seven genera and 18 species which inhabit forest-steppes, steppes, and semi-deserts of Palaearctic Eurasia. The main goals of this study were: (1) to reveal the morphological peculiarities of hamsters and the ecological meaning of these peculiarities, (2) to ...
A. Miljutin
semanticscholar +2 more sources
Seasonal changes of steroid levels in blood plasma of three phodopus species (Mammalia, Cricetinae)
Biology Bulletin, 2010Seasonal change of the base plasma level of testosterone and cortisol in males and progesterone, estradiol, and cortisol levels in females were analyzed in three Phodopus species: Ph. campbelli (Campbell’s hamster), Ph. sungorus (Djungarian hamster), and Ph. roborovskii (Roborovskii dwarf hamster).
N. Feoktistova +2 more
semanticscholar +2 more sources