Contents

Biology Bulletin

Vol. 43, No. 8, 2016

A simultaneous English language translation of this journal is available from Pleiades Publishing, Ltd.
Distributed worldwide by Springer. Biology Bulletin ISSN 1062-3590.

Chromosomal Rearrangements, Genome Reorganization, and Speciation

I. Yu. Bakloushinskaya p. 759  abstract

From Host–Parasite Systems to Parasitic Systems: Interactions of Littoral Mollusks of the Genus Littorina with Their Trematode Parasites

A. I. Granovitch p. 776  abstract

Orientation and Navigation of Migrating Birds

N. S. Chernetsov p. 788  abstract

Sex-Biased Survival and Philopatry in Birds: Do They Interact?

Vladimir A. Payevsky p. 804  abstract

The Population of Earthworms (Lumbricidae) in the Main Types of Dark Coniferous Forests in Pechora-Ilych Nature Reserve

A. P. Geraskina p. 819  abstract

Biological Peculiarities of the Woodlouse Trachelipus rathkii (Isopoda, Oniscidea) in Biotopes of the City of Kaluga

V. V. Aleksanov p. 831  abstract

Changes in the Species Composition and Number of Gulls in Tundra Colonies in the Western Chukotka Over the Last 40 Years

D. V. Solovyeva and L. A. Zelenskaya p. 844  abstract

Breeding Success of the Eurasian Eagle Owl (Bubo bubo) and Rodent Population Dynamics

A. V. Andreychev, A. S. Lapshin and V. A. Kuznetsov p. 851  abstract

Age Ratio and Survival of Common Rosefinch (Carpodacus Erythrinus, Passeriformes, Fringillidae) in a Local Population Based on Ringing Data

D. A. Shitikov, V. A. Gagieva and M. M. Bolshakova p. 862  abstract

Common Kestrel (Falco tinnunculus, Falconiformes, Falconidae) in Colonial Settlements of Rook (Corvus frugilegus, Passeriformes, Corvidae) in Steppe Ecosystems of the Manych Valley

A. I. Ermolaev p. 870  abstract

Multilevel Subdivision in the araneus Species Group of the Genus Sorex: 1. Chromosomal Differentiation

N. A. Shchipanov and S. V. Pavlova p. 876  abstract

A Comparative Analysis of Craniological Variability of Eurasian (Sable and Pine Marten) and North American (American Marten) Species of the Martes Genus

M. N. Ranyuk and V. G. Monakhov p. 893  abstract

The Intraspecies Variability of Spermophilus relictus sensu lato Kaschkarov 1923 (Sciuridae, Rodentia)

E. V. Karnaukhova, A. Yu. Puzachenko and N. A. Formozov p. 904  abstract

Winter Distribution and Migrations of Beluga Whales (Delphinapterus leucas) in the White Sea Based on Satellite Tracking Data

D. M. Kuznetsova, D. M. Glazov, O. V. Shpak and V. V. Rozhnov p. 914  abstract

Nutrition of Bison (Bison bison), Camels (Đ¡amelus bactrianus), and Horses (Equus caballus) from Their Joint Grazing on an Isolated Steppe Pasture

B. D. Abaturov, V. D. Kazmin and M. P. Kolesnikov p. 918  abstract

Fodder Resources and Feeding of Semifree Bison (Bison bison) on a Steppe Pasture in the Western Manych Valley

V. D. Kazmin, B. D. Abaturov, O. N. Demina and M. P. Kolesnikov p. 926  abstract