1. Economics of courtship-feeding in the European bee-eater (Merops apiaster)

   • M. I. Avery
   • J. R. Krebs
   • A. I. Houston

   OriginalPaper Pages: 61 - 67

2. Stotting in Thomson's gazelles: an honest signal of condition

   • C. D. FitzGibbon
   • J. H. Fanshawe

   OriginalPaper Pages: 69 - 74

3. Net energy versus efficiency maximizing by foraging ring-billed gulls

   • C. V. J. Welham
   • R. C. Ydenberg

   OriginalPaper Pages: 75 - 82

4. Food and the deceptive acquisition of mates by polygynous male harriers

   • R. E. Simmons

   OriginalPaper Pages: 83 - 92

5. Adaptation, compromise, and constraint: the development, morphometrics, and behavioral basis of a fighter-flier polymorphism in male Hoplothrips karnyi (Insecta: Thysanoptera)

   • B. J. Crespi

   OriginalPaper Pages: 93 - 104

6. Vocal and visual stimuli enabling copulation behavior in female buntings

   • M. C. Baker
   • A. E. M. Baker

   OriginalPaper Pages: 105 - 108

7. Reproductive success of nesting male longear sunfish (Lepomis megalotis peltastes)

   • H. M. C. Dupuis
   • M. H. A. Keenleyside

   OriginalPaper Pages: 109 - 116

8. Reproduction by worker honey bees (Apis mellifera L.)

   • R. E. Page Jr.
   • E. H. Erickson Jr.

   OriginalPaper Pages: 117 - 126

9. Maternal investment and sex ratio adjustment in American bison calves

   • J. O. Wolff

   OriginalPaper Pages: 127 - 133