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REACTION OF BANK VOLES (MYODES GLAREOLUS SCHREBER, 1780) TO TRAPS WITH THE ODOR OF SYNANTHROPIC HOUSE MICE (MUS MUSCULUS s.l.) (MAMMALIA: RODENTIA): A FIELD EXPERIMENT

Authors: Zhigarev I. A., Alpatov V. V., Babikov V. A., Shchukin A. O., Kotenkova E. V.

Our hypothesis that the exoanthropic forest rodent species (e.g. bank voles) avoid the urinary odor of the synanthropic house mice was tested in field experiments in August 2016. One count of small mammals was carried out in each of two 4-ha fields by the capture-mark-recapture technique during 12 days. 200 live traps (100 points, 2 traps per point) were exposed and controlled twice a day (early in the morning and in the evening) in each count.

Fertility evaluation of ecologically different forms of house mice and their hybrids of the superspecies complex Mus musculus sensu lato (Rodentia: Muridae)

Authors: Maltsev A. N., Ambaryan A. V., Kotenkova E. V.

In house mice from the superspecies complex Mus musculus s.l., the relative weight of their testicles is higher and the sperm quality is better for the exoanthropic species than for the synantropic ones. It is shown that this pattern is observed at an intraspecific level as well, since the testicle weight index and sperm concentration were significantly higher in the hemi-synantropic subspecies Mus musculus wagneri and M. m. gansuensis as compared to the synantropic M. m. musculus in a few comparisons.