Nest biology in urban population of <i>Phoenicwus Phoenicurus </i>L
In comparative aspect nesting biology of Phoenicurus phoenicurus in Tomsk and its suburban zone was investigated. In both zones 238 nests were researched. At urban territory nesting population density is higher, the median and average egg-laying displaced on relatively early terms, significantly more clutch size, eggs volume, breeding success and number of fleglings at attempt and successful attempt. The nests mortality from predators in urban habitats almost three time less in comparison with suburb It mainly defines increased reproductive success of urban population.