1. Agonistic interactions between male Frontinella pyramitela (Araneae, Linyphiidae)

   • R. B. Suter
   • M. Keiley

   OriginalPaper Pages: 1 - 7

2. Dynamics of social nesting in overwintering meadow voles (Microtus pennsylvanicus): possible consequences for population cycling

   • Dale M. Madison
   • Randall W. FitzGerald
   • William J. McShea

   OriginalPaper Pages: 9 - 17

3. Fratricide in Megachile rotundata, a non-social megachilid bee: impartial treatment of sibs and non-sibs

   • V. J. Tepedino
   • D. R. Frohlich

   OriginalPaper Pages: 19 - 23

4. Geographical and temporal variability in pigeon homing

   • A. Foà
   • S. Benvenuti
   • H. G. Wallraff

   OriginalPaper Pages: 25 - 34

5. Parasites determine a predator's optimal feeding strategy

   • Manfred Milinski

   OriginalPaper Pages: 35 - 37

6. Homing behavior of wood thrushes (Hylocichla mustelina)

   • Kenneth P. Able
   • William F. Gergits
   • Scott B. Terrill

   OriginalPaper Pages: 39 - 43

7. Diel movement patterns of the scalloped hammerhead shark (Sphyrna lewini) in relation to El Bajo Espiritu Santo: a refuging central-position social system

   • A. Peter Klimley
   • Donald R. Nelson

   OriginalPaper Pages: 45 - 54

8. Sympatric corvids

   • R. K. Waite

   OriginalPaper Pages: 55 - 59

9. Imperfectly optimal animals

   • Alasdair I. Houston
   • John M. McNamara

   OriginalPaper Pages: 61 - 64

10. Ant foraging behavior: ambient temperature influences prey selection

    • James F. A. Traniello
    • Marty S. Fujita
    • Rhys V. Bowen

    OriginalPaper Pages: 65 - 68

11. The “dawn chorus” and incubation in the coot (Fulica atra L.)

    • John A. Horsfall

    OriginalPaper Pages: 69 - 71

12. Is there a “sound window” for primate communication?

    • Peter M. Waser
    • Charles H. Brown

    OriginalPaper Pages: 73 - 76

13. Night sky orientation of migratory pied flycatchers raised in different magnetic fields

    • Verner P. Bingman

    OriginalPaper Pages: 77 - 80