Ovulation Synchrony

Funding Agency: National Science Foundation

Title: Socially-Induced Ovulation Synchrony in Colonial Seabirds: Mathematical Models and Field Data

Beginning Date: September, 2010

End Date: August, 2013

Principle Investigators: Shandelle Henson (Mathematics) and James Hayward (Biology)

Publications: 

  • Hayward, J. L., Henson, S. M., Bove, J., Bove, C., and C. J. Gregory 2013. Seasonal and daily fluctuations in numbers of Glaucous-winged Gulls at a Washington seabird island. In revision.
  • Payne, B. G., Hayward, J. L., Megna, L. C., Velastegui Chavez, S. R., and S. M. Henson 2013. Temporal dynamics of Galapagos marine iguana (Amblyrhynchus cristatus) haulout. In preparation.
  • McWilliams, K. M., Hayward, J. L., Atkins, G. J., and S. M. Henson 2013. Courtship and copulation in Glaucous-winged Gulls, Larus glaucescens. In preparation.
  • Megna, L. C., Moncrieff, A. E., Hayward, J. L, and S. M. Henson 2013. Equal reproductive success of phenotypes in the Larus glaucescens-occidentalis complex. In revision.
  • Burton, D., and S. M. Henson 2013. A note on the onset of synchrony in avian ovulation cycles. In preparation.
  • Hayward, J. L., Weldon, L. M., Henson, S. M., Megna, L. C., Payne, B. G., and A. E. Moncrieff 2013. Egg cannibalism in seabird colony increases with sea surface temperature. In revision for Condor.
  • Hayward, J. L., Megna, L. C., Payne, B. G., Velastegui Chavez, S. R., and S. M. Henson 2013. Temporal and environmental effects on the behavior of flightless cormorants. To appear in Wilson Journal of Ornithology.
  • Cowles, J. D., Henson, S. M., Hayward, J. L., and M. W. Chacko 2013. A mathematical method for predicting harbor seal (Phoca vitulina) haulout and monitoring long-term population trends without telemetry. To appear in Natural Resource Modeling.
  • McCormick, M. A., Hayward, J. L., and S. M. Henson 2013. Egg mass in Glaucous-winged Gulls (Larus glaucescens) as a function of length and width. Northwestern Naturalist 94:147-150.
  • Moncrieff, A. E., Megna, L. C., Hayward, J. L., and S. M. Henson 2013. Mating patterns and breeding success in gulls of the Larus glaucescens-occidentalis complex, Protection Island, Washington, USA. Northwestern Naturalist 94:67-75. View Article
  • Cushing, J. M., and S. M. Henson 2012. Stable bifurcations in semelparous Leslie models. Journal of Biological Dynamics 6:80-102. View Article
  • Henson, S. M., Weldon, L. M., Hayward, J. L., Greene, D. J., Megna, L. C., and M. C. Serem 2012. Coping behaviour as an adaptation to stress: Post-disturbance preening in colonial seabirds. Journal of Biological Dynamics 6:17-37. View Article
  • Henson, S. M., Cushing, J. M., and J. L. Hayward 2011. Socially-induced ovulation synchrony and its effect on seabird population dynamics. Journal of Biological Dynamics 5:495-516. View Article
  • Henson, S. M., Hayward, J. L., Cushing, J. M., and J. G. Galusha 2010. Socially induced synchronization of every-other-day egg laying in a seabird colony. Auk 127:571-580. View Article
  • Henson, S. M., and J. L. Hayward 2010. The mathematics of animal behavior: an interdisciplinary dialogue. Notices of the American Mathematical Society, November, 57(10):1248-1258. View Article
  • Hayward, J. L., Galusha, J. G., and S. M. Henson 2010. Foraging behavior of bald eagles at a marine bird colony and seal rookery in Washington. Journal of Raptor Research 44:19-29. View Article
 
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