1. Optimal prey choice and discrimination time in the great tit (Parus major L.)

   • Alasdair I. Houston
   • John R. Krebs
   • Jonathan T. Erichsen

   OriginalPaper Pages: 169 - 175

2. Communication and mutual resource exchange in north Florida hermit crabs

   • Brian A. Hazlett

   OriginalPaper Pages: 177 - 184

3. Altruism in the Savannah sparrow?

   • Patrick J. Weatherhead
   • Raleigh J. Robertson

   OriginalPaper Pages: 185 - 186

4. Testing the ‘agonistic buffering’ hypothesis

   • David Milton Taub

   OriginalPaper Pages: 187 - 197

5. Behavoral ecology and social organization of a dendrobatid frog (Colostethus inguinalis)

   • Kentwood D. Wells

   OriginalPaper Pages: 199 - 209

6. The development of flight, foraging, and echolocation in the little brown bat (Myotis lucifugus)

   • Edward R. Buchler

   OriginalPaper Pages: 211 - 218

7. Flexible helper structure as an ecological adaptation in the pied kingfisher (Ceryle rudis rudis L.)

   • Heinz-Ulrich Reyer

   OriginalPaper Pages: 219 - 227

8. Transoceanic bird migration: Evidence for detection of wind direction

   • Ronald P. Larkin

   OriginalPaper Pages: 229 - 232

9. Surface wave discrimination between prey and nonprey by the back swimmerNotonecta glauca L. (Hemiptera, Heteroptera)

   • Horst H. Lang

   OriginalPaper Pages: 233 - 246

10. Behavioral aspects of competition in a three-species rodent guild of coastal southern California

    • Andrew R. Blaustein

    OriginalPaper Pages: 247 - 255