1. The breeding colouration of male three-spined sticklebacks (Gasterosteus aculeatus) as an indicator of energy investment in vigour

   • Markus Frischknecht

   OriginalPaper Pages: 439 - 450

2. Ecological and morphological differentiation of pumpkinseed sunfish in lakes without bluegill sunfish

   • Beren W. Robinson
   • David Sloan Wilson
   • Polly T. Lotito

   OriginalPaper Pages: 451 - 464

3. Evolutionarily unstable fitness maxima and stable fitness minima of continuous traits

   • Peter A. Abrams
   • Hiroyuki Matsuda
   • Yasushi Harada

   OriginalPaper Pages: 465 - 487

4. Optimal grazing of wapiti (Cervus elaphus) on grassland: Patch and feeding station departure rules

   • Zhigang Jiang
   • Robert J. Hudson

   OriginalPaper Pages: 488 - 498

5. Evaluating optimal diet models for an African browsing ruminant, the kudu: How constraining are the assumed constraints?

   • Norman Owen-Smith

   OriginalPaper Pages: 499 - 524

6. Owen-Smith's evaluation of herbivore foraging models: What is constraining?

   • Gary E. Belovsky
   • Oswald J. Schmitz

   Comment Pages: 525 - 529

7. Assessing the constraints for optimal diet models

   • Norman Owen-Smith

   Comment Pages: 530 - 531

8. Phylogenetic contrasts and the evolution of mammalian life histories

   • Berrigan D.
   • Purvis A.
   • Charnov E. L.

   Erratum Pages: 532 - 532