1. Fundamental energetics of birds: 1. The maximum ability of birds to change their thermal conductance and the efficiency of metabolic energy transformation into mechanical work

   • V. M. Gavrilov

   OriginalPaper 07 November 2012 Pages: 569 - 578

2. Head sensory organs of Halobiotus stenostomus (Eutardigrada, Hypsibiidae)

   • N. M. Biserova
   • K. G. Kuznetsova

   OriginalPaper 07 November 2012 Pages: 579 - 589

3. A method of stable carbon and nitrogen isotope analysis in assessment of the diet of birds of prey

   • I. G. Pokrovsky

   OriginalPaper 07 November 2012 Pages: 590 - 592

4. Embryonic development and functional readiness of the sound-transmitting system of acoustic analyzer in Larus gulls

   • V. D. Anisimov
   • L. I. Barsova

   OriginalPaper 07 November 2012 Pages: 593 - 600

5. New data on the brain and cognitive abilities of birds

   • Z. A. Zorina
   • T. A. Obozova

   OriginalPaper 07 November 2012 Pages: 601 - 617

6. Dentition in Pacific walrus (Odobenus rosmarus divergens) calves of the year

   • N. V. Kryukova

   OriginalPaper 07 November 2012 Pages: 618 - 626

7. Sexual maturation and age-related dynamics of corticosterone in Clethrionomys rutilus and Cl. rufocanus voles (Rodentia, Cricetidae) under experimental conditions

   • L. B. Kravchenko
   • E. L. Zavjalov
   • N. S. Moskvitina

   OriginalPaper 07 November 2012 Pages: 627 - 633

8. Trophic and spatial relationships of the pine marten (Martes martes) and American mink (Neovison vison) on mountain rivers of the Southern Urals

   • N. V. Kiseleva

   OriginalPaper 07 November 2012 Pages: 634 - 639

9. Effect of environmental factors on population dynamics and structure of the Caucasian red deer (Cervus elaphus maral) in the Caucasian state biosphere reserve

   • S. A. Trepet
   • T. G. Eskina

   OriginalPaper 07 November 2012 Pages: 640 - 651

10. Distribution of beluga whales (Delphinapterus leucas) along the Karelian coast of the White Sea in the early summer of 2010

    • D. M. Kuznetsova
    • D. M. Glazov
    • V. V. Rozhnov

    Brief Communications 07 November 2012 Pages: 652 - 653

11. Distribution of beluga whales (Delphinapterus leucas) in the Russian Arctic seas according to the results of expedition aboard RV Mikhail Somov, September–November 2010

    • B. A. Solovyev
    • N. G. Platonov
    • V. V. Rozhnov

    Brief Communications 07 November 2012 Pages: 654 - 658