1. Territorial defence and intra-pair cooperation in the carrion crow (Corvus corone)

   • I. Bossema
   • R. F. Benus

   OriginalPaper Pages: 99 - 104

2. Predator avoidance and school size in a cyprinodontid fish, the banded killifish (Fundulus diaphanus Lesueur)

   • Jean-Guy J. Godin
   • M. Joanne Morgan

   OriginalPaper Pages: 105 - 110

3. Aerial defense of the nest by workers of the stingless bee Trigona (Tetragonisca) angustula (Latreille) (Hymenoptera: Apidae)

   • D. Wittmann

   OriginalPaper Pages: 111 - 114

4. Mammalian breath: trigger of defensive chemical response in a tenebrionid beetle (Bolitotherus cornutus)

   • Jeffrey Conner
   • Scott Camazine
   • Thomas Eisner

   OriginalPaper Pages: 115 - 118

5. Colonial and single breeding in fieldfares, Turdus pilaris L.: a comparison of nesting success in early and late broods

   • Volker Haas

   OriginalPaper Pages: 119 - 124

6. Female habitat choice as a determinant of the reproductive success of the territorial male marine iguana (Amblyrhynchus cristatus)

   • N. Rauch

   OriginalPaper Pages: 125 - 134

7. Sampling behavior of starlings foraging in simple patchy environments

   • Steven L. Lima

   OriginalPaper Pages: 135 - 142

8. Geographic variation in songs of the Bewick's wren: a search for correlations with avifaunal complexity

   • Donald E. Kroodsma

   OriginalPaper Pages: 143 - 150

9. Estimation of kinship parameters: the island model with separate sexes

   • Martyn G. Murray

   OriginalPaper Pages: 151 - 159

10. Risk-sensitive foraging in common shrews (Sorex araneus L.)

    • C. J. Barnard
    • C. A. J. Brown

    OriginalPaper Pages: 161 - 164

11. Predatory behavior of Polybia sericea (Olivier), a tropical social wasp (Hymenoptera: Vespidae)

    • M. A. Raveret Richter
    • R. L. Jeanne

    OriginalPaper Pages: 165 - 170

12. Song repertoires and density assessment in red-winged blackbirds: further tests of the Beau Geste hypothesis

    • Ken Yasukawa
    • William A. Searcy

    OriginalPaper Pages: 171 - 175

13. Social organization in the bat Pipistrellus pipistrellus

    • Rune Gerell
    • Karin Lundberg

    OriginalPaper Pages: 177 - 184

14. Acoustic and visual cues in the dances of four honey bee species

    • William F. Towne

    OriginalPaper Pages: 185 - 187

15. Lack of social entrainment of free-running circadian activity rhythms in the Australian sugar glider (Petaurus breviceps: Marsupialia)

    • Sabine Kleinknecht

    OriginalPaper Pages: 189 - 193