1. Wingfield, J. C. in Perspectives in Comparative Endocrinology (eds Davey, K. G., Peter, R. E. & Tobe, S. S.) 520–528 (National Research Council, 1994).
2. Sapolsky, R., Romero, L. M. & Munck, A. U. How do glucocorticoids influence stress responses? Integrating permissive, suppressive, stimulatory, and preparative actions. Endocr. Rev. 21, 55–89 (2000).
3. Wingfield, J. C. & Romero, L. M. in Handbook of Physiology, Sect. 7, The Endocrine System, Coping with the Environment: Neural and Endocrine Mechanisms Vol. 4 (ed. McEwen, B. S.) 211–236 (Oxford University Press, 2000).
4. Wingfield, J. C. & Sapolsky, R. M. Reproduction and resistance to stress: when and how? J. Neuroendocrinol. 15, 711–724 (2003).
5. Sheriff, M. J., Krebs, C. J. & Boonstra, R. The sensitive hare: sublethal effects of predator stress on reproduction in snowshoe hares. J. Anim. Ecol. 78, 1249–1258 (2009).