1. A comparison of sound propagation and song frequency in temperate marsh and grassland habitats

   • Susan E. Cosens
   • J. Bruce Falls

   OriginalPaper Pages: 161 - 170

2. Male copulatory guarding enhances female foraging in a water strider

   • R. Stimson Wilcox

   OriginalPaper Pages: 171 - 174

3. Sex differences in the ontogeny of social behavior in pikas: possible relationships to dispersal and territoriality

   • Molly R. Whitworth
   • Charles H. Southwick

   OriginalPaper Pages: 175 - 182

4. Male choice

   • Leslie K. Johnson
   • Stephen P. Hubbell

   OriginalPaper Pages: 183 - 188

5. Sympatry and allopatry of song in North American tanagers

   • Eyal Shy

   OriginalPaper Pages: 189 - 195

6. “Chance” and mixed-species associations

   • Peter M. Waser

   OriginalPaper Pages: 197 - 202

7. Changing priorities: the effect of pre-migratory fattening on the trade-off between foraging and vigilance

   • N. B. Metcalfe
   • R. W. Furness

   OriginalPaper Pages: 203 - 206

8. Vibrations in the orbwebs of Nuctenea sclopetaria (Araneidae)

   • W. Mitch Masters

   OriginalPaper Pages: 207 - 215

9. Vibrations in the orbwebs of Nuctenea sclopetaria (Araneidae)

   • W. Mitch Masters

   OriginalPaper Pages: 217 - 223

10. The behavioral regulation of monogamy in gibbons (Hylobates muelleri)

    • John C. Mitani

    OriginalPaper Pages: 225 - 229

11. Variations in the demographic structure and dynamics of gelada baboon populations

    • H. Ohsawa
    • R. I. M. Dunbar

    OriginalPaper Pages: 231 - 240