1. The random elements in the systematic search behavior of the desert isopod Hemilepistus reaumuri

   • Gerhard Hoffmann

   OriginalPaper Pages: 81 - 92

2. The search behavior of the desert isopod Hemilepistus reaumuri as compared with a systematic search

   • Gerhard Hoffmann

   OriginalPaper Pages: 93 - 106

3. Ecological costs and benefits of communal behavior in a presocial spider

   • Deborah R. R. Smith

   OriginalPaper Pages: 107 - 114

4. Socio-ecology of the Grey-crowned Babbler: population structure, unit size and vegetation correlates

   • Jerram L. Brown
   • Douglas D. Dow
   • Sheryl D. Brown

   OriginalPaper Pages: 115 - 124

5. Nest defense by deceit in the fathead minnow, Pimephales promelas

   • Lawrence M. Unger

   OriginalPaper Pages: 125 - 130

6. Determinants of brood defence in the great tit Parus major L.

   • Klaus Regelmann
   • Eberhard Curio

   OriginalPaper Pages: 131 - 145

7. Do pronghorn mothers reveal the locations of their hidden fawns?

   • John A. Byers
   • Karen Z. Byers

   OriginalPaper Pages: 147 - 156

8. Female competition for access to males affects birth rate in baboons

   • R. I. M. Dunbar
   • M. Sharman

   Short Communication Pages: 157 - 159