Home News from the Institute Why young males have lower mating success Publications of Robert E. Ricklefs All genres Journal Article (3) Journal Article (3) 2006 Journal Article Lee, K. A.; Martin, L. B.,. I.; Hasselquist, D.; Ricklefs, R. E.; Wikelski, M.: Contrasting adaptive immune defenses and blood parasite prevalence in closely related Passer sparrows. Oecologia 150 (3), pp. 383 - 392 (2006) MPG.PuRe DOI 2002 Journal Article Ricklefs, R. E.; Wikelski, M.: The physiology/life-history nexus. Trends in Ecology and Evolution 17 (10), pp. 462 - 468 (2002) MPG.PuRe DOI 2001 Journal Article Wikelski, M.; Ricklefs, R. E.: The physiology of life histories. Trends in Ecology and Evolution 16 (9), pp. 479 - 481 (2001) MPG.PuRe DOI