Polski AA*, Osborn KJ*, Hayward JL, Joo E*, Mitchell AT*, Sandler AG*, Henson SM. 2021. Egg cannibalism as a foraging tactic by less fit Glaucous-winged Gulls (Larus glaucescens). Wilson Journal of Ornithology 133, in press.
Atkins GJ, Hayward JL, Henson SM. 2021. How do gulls synchronize every-other-day egg-laying? Wilson Journal of Ornithology 133(2):226-235.
Weir SK*, Henson SM, Hayward JL, Atkins GJ, Polski AA*, Watson W*, Sandler AG*. 2020. Every-other-day clutch-initiation synchrony as an adaptive response to egg cannibalism in Glaucous-winged Gulls (Larus glaucescens). Wilson Journal of Ornithology 132:575-586.
Hayes FE, Hayward JL. 2020 Nocturnal copulation in Glaucous-winged Gulls Larus glaucescens. Marine Ornithology 48:55-59.
McGrath AC*, Varricchio DJ, Hayward JL. 2020. Taphonomic assessment of material generated by an arboreal nesting colony of Great Blue Herons (Ardea herodias). Historical Biology 33:1781-1795.
Hayes FE, Hayward JL. 2020. Nocturnal copulation in Glaucous-winged Gulls Larus glaucescens. Marine Ornithology. 48:55-9.
Henson SM, Desharnais RA, Funasaki ET, Galusha JG, Watson JW, Hayward JL. 2019. Predator–prey dynamics of bald eagles and glaucous‐winged gulls at Protection Island, Washington, USA. Ecology and evolution. 9(7):3850-67.
McWilliams KM*, Sandler AG*, Atkins GJ, Henson SM, Hayward JL. 2018. Courtship and copulation in Glaucous-winged Gulls, Larus glaucescens, and the influence of environmental variables. The Wilson Journal of Ornithology. 130(1):270-85.
Hayward JL, Henson SM, Bové J, Bové C, Gregory CJ. 2017. Daily and annual habitat use and habitat-to-habitat movement by Glaucous-winged Gulls at Protection Island, Washington. Northwestern Naturalist. 98(3):180-9.
Atkins GJ, Reichert AA*, Henson SM, Hayward JL. 2017. Copulation call coordinates timing of head-tossing and mounting behaviors in neighboring Glaucous-winged Gulls (Larus glaucescens). The Wilson Journal of Ornithology. 129(3):560-7.
Atkins GJ, Hayward JL. 2017. Predation by common ravens (Corvus corax) on Eggs of Rhinoceros Auklets (Cerorhinca monocerata) and kleptoparasitism by bald eagles (Haliaeetus leucocephalus). The Wilson Journal of Ornithology. 129(2):387-90.
Smith R, Weldon L, Hayward J, Henson S. 2017. Time lags associated with effects of oceanic conditions on seabird breeding in the Salish Sea region of the northern California Current System. Marine Ornithology. 45:39-42.
Sandler AG*, Megna LC*, Hayward JL, Henson SM, Tkachuck CM, Tkachuck RD. 2016. Every-other-day clutch-initiation synchrony in Ring-billed Gulls (Larus delawarensis). The Wilson Journal of Ornithology. 128(4):760-5.
Cushing JM, Henson SM, Hayward JL. 2015. An evolutionary game-theoretic model of cannibalism. Natural Resource Modeling. 28(4):497-521.
Payne BG*, Henson SM, Hayward JL, Megna LC*, Velastegui Chavez SR. 2015. Environmental constraints on haul-out and foraging dynamics in Galápagos marine iguanas. Journal of Coupled Systems and Multiscale Dynamics. 3(3):208-18.
Atkins GJ, Sandler AG*, McLarty M*, Henson SM, Hayward JL. 2015. Oviposition behavior in Glaucous-winged Gulls (Larus glaucescens). The Wilson Journal of Ornithology. 127(3):486-93.
Hayward JL, Atkins GJ, Reichert AA*, Henson SM. 2015. Common Ravens (Corvus corax) prey on rhinoceros auklet (Cerorhinca monocerata) eggs, chicks, and possibly adults. The Wilson Journal of Ornithology. 127(2):336-9.
Hayward JL, Sandler AG*. 2015. Aqueous transport of gull nests and eggs: Taphonomic implications for fossil amniote nests. Palaios. 30(5):403-7.
Megna LC*, Moncrieff AE*, Hayward JL, Henson SM. 2014. Equal reproductive success of phenotypes in the Larus glaucescens–occidentalis complex. Journal of Avian Biology. 45(4):410-6.
Hayward JL, Weldon LM, Henson SM, Megna LC*, Payne BG*, Moncrieff AE*. 2014. Egg cannibalism in a gull colony increases with sea surface temperature. The Condor. 116(1):62-73.
Hayward, J. L., L. C. Megna*, B. G. Payne*, S. R. Velastegui Chavez, and S. M. Henson. 2013. Temporal and environmental effects on the behavior of Flightless Cormorants. Wilson Journal of Ornithology 125:790-799.
Cowles, J. D.*, S. M. Henson, J. L. Hayward, and M. W. Chacko*. 2013. A method for predicting harbor seal (Phoca vitulina) haulout and monitoring long-term population trends without telemetry. Natural Resource Modeling 26:605-627.
McCormick, M. A.*, J. L. Hayward, 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.*, L. C. Megna*, J. L. Hayward, and S. M. Henson. 2013. Mating patterns and breeding success ijn gulls of the Larus glaucescens-occidentalis complex, Protection Island, Washington, USA. Northwestern Naturalist 94:67-75.
Cowles, D. L., J. G. Galusha, and J. L. Hayward. 2012. Negative interspecies interactions in a Glaucous-winged gull colony on Protection Island, Washington. Northwestern Naturalist 93:89-100.
Henson, S. M., L. M. Weldon, J. L. Hayward, D. J. Greene*, L. C. Megna*, and M. C. Serem*. 2012. Coping behavior as an adaptation to stress: post-disturbance preening in colonial seabirds. Journal of Biological Dynamics 6:17-37.
Janssen, J. D.*, G. W. Mutch, and J. L. Hayward. 2011. Taphonomic effects of high temperature on avian eggshell. Palaios 26:658-664.
Henson, S. M., J. M. Cushing, and J. L. Hayward. 2011. Socially-induced ovulation synchrony and its effect on seabird population dynamics. Journal of Biological Dynamics 5:495-516.
Hayward, J. L., K. M. Dickson*, S. R. Gamble*, A. W. Owen*, and K. C. Owen*. 2011. Eggshell taphonomy: Environmental effects on fragment orientation. Historical Biology 23:5-13. (Invited paper)
Hayward, J. L., J. G. Galusha, and S. M. Henson. 2010. Foraging-related activity of bald eagles at a Washington seabird colony and seal rookery. Journal of Raptor Research 44:19-29.
Smith, D. L.*, and J. L. Hayward. 2010. Bacterial decomposition of avian eggshell: A taphonomic experiment. Palaios 25:318-326.
Henson, S. M., and J. L. Hayward. 2010. The mathematics of animal behavior: An interdisciplinary dialogue. Notices of the American Mathematical Society 57:1248-1258. (Invited paper)
Henson, S. M., J. L. Hayward, J. M. Cushing, and J. G. Galusha. 2010. Socially-induced synchronization of every-other-day egg-laying in a seabird colony. Auk 127:571-580.
Hayward, J. L., S. M. Henson, R. D. Tkachuck, C. M. Tkachuck, B. G. Payne*, and C. K. Boothby*. 2009. Predicting gull/human conflicts with mathematical models: A tool for management. Natural Resource Modeling 22:544-563.
Hayward, J. L. 2009. Eagle predation on harbor seal pups. Northwestern Naturalist 90:51-53.
Hayward, J. L., S. M. Henson, J. C. Banks, and S. L. Lyn*. 2008. Mathematical modeling of appendicular bone growth in glaucous-winged gulls. Journal of Morphology 270:70-82.
Moore, A. L.*, S. P. Damania*, J. L. Hayward, and S. M Henson. 2008. Modeling the daily activities of breeding colonial seabirds: Dynamic occupancy patterns in multiple habitat patches. Mathematical Biosciences and Engineering 5:831-842.
Cowles, D. L., and J. L. Hayward. 2008. Historical changes in the physical and vegetational characteristics of Protection Island, Washington. Northwest Science 82:174-184.
Hayward, J. L., and N. A. Verbeek. 2008. Glaucous-winged gull (Larus glaucescens). The Birds of North America Online (A. Poole, Ed). Ithaca, NY: Cornell Laboratory of Ornithology; Retrieved from The Birds of North America Online: http://bna.birds.cornell.edu/bna/species/059
Henson, S. M., B. Dennis, J. L. Hayward, J. M. Cushing, and J. G. Galusha. 2007. Predicting the dynamics of animal behaviour in field populations. Animal Behaviour 74:103-110.
Henson, S. M., J. G. Galusha, J. L. Hayward, and J. M. Cushing. 2007. Modeling territory attendance and preening behavior in a seabird colony as functions of environmental conditions. Journal of Biological Dynamics 1:95-107.
Henson, S. M., J. L. Hayward, and S. P. Damania*. 2006. Identifying environmental determinants of diurnal distribution in marine birds and mammals. Bulletin of Mathematical Biology 68:467-482.
Phillips, K. W.*, S. P. Damania*, J. L. Hayward, S. M. Henson, and C. J. Logan*. 2005. Habitat patch occupancy dynamics in glaucous-winged gulls (Larus glaucescens) I: A discrete-time model. Natural Resource Modeling 18:469-498.
Damania, S. P.*, K. W. Phillips*, S. M. Henson, and J. L. Hayward 2005. Habitat patch occupancy dynamics in Glaucous-winged Gulls (Larus glaucescens) II: A continuous-time model. Natural Resource Modeling 18:441-468.
Hayward, J. L., S. M. Henson, C. J. Logan*, C. R. Parris*, M. W. Meyer*, and B. Dennis. 2005. Predicting numbers of hauled-out harbour seals: a mathematical model. Journal of Applied Ecology 42:108-117.
Hayward, J. L., and J. K. Clayburn*. 2004. Do rhinoceros auklet, Cerorhinca monocerata, fledglings fly to the sea from their natal burrows? The Canadian Field-Naturalist 118:615-617.
Henson, S. M., J. L. Hayward, C. M. Burden*, C. J. Logan*, and J. G. Galusha. 2004. Predicting dynamics of aggregate loafing behavior in glaucous-winged gulls (Larus glaucescens) at a Washington colony. Auk 121:380-390.
Clayburn, J. K.*, D. L. Smith*, and J. L. Hayward. 2004. Taphonomic effects of pH and temperature on extant avian dinosaur eggshell. Palaios 19:170-177.
Hayward, J. L. 2003. Sexual aggression by a male northern elephant seal on harbor seal pups in Washington. Northwestern Naturalist 84:148-150.
Hayward, J. L. 2002. Common garter snake predation on ring-billed gull chicks in Washington. Northwestern Naturalist 83(Spring): 25-26.
Galusha, J. G, and J. L. Hayward. 2002. Bald eagle activity at a gull colony and seal rookery on Protection Island, Washington. Northwestern Naturalist 83(Spring): 23-25.
Hayward, J. L., D. K. Zelenitsky*, D. L. Smith*, D. Zaft*, and J. K. Clayburn*. 2000. Eggshell taphonomy at modern gull colonies and a dinosaur clutch site. Palaios 15: 343-355.
Hayward, J. L., S. D. Folsom*, D. Elmendorf, A. Tambrini*, and D. Cowles. 1997. Experiments on the taphonomy of amniote eggs in marine environments. Palaios 12: 482-488.
Hayward, J. L. 1993. Nest-site selection and reproductive success of ring-billed gulls at Sprague Lake, Washington. Northwestern Naturalist 74(3): 67-76.
Hayward, J. L., J. G. Galusha, and G. Frias*. 1993. Analysis of great horned owl pellets with rhinoceros auklet remains. Auk 110(1):133-135.
Hayward, J. L., K. F. Hirsch, and T. C. Robertson*. 1991. Rapid dissolution of avian eggshells buried by Mount St. Helens ash. Palaios 6(2):174-178.
Hayward, J. L., C. J. Amlaner and K. A. Young*. 1989. Turning eggs to fossils: A natural experiment in taphonomy. Journal of Vertebrate Paleontology 9(2): 196-200.
Hayward, J. L. 1984. Fossil proboscidians and myths of giant men. Transactions of the Nebraska Academy of Sciences 12: 95-102.
Hayward, J. L., and D. E. Casebolt. 1982. The genealogies of Genesis 5 and 11: A statistical study. Origins 9(2): 75-81.
Hayward, J. L., D. E. Miller and C. R. Hill. 1982. Volcanic ash fallout: Its impact on breeding gulls. In Keller, S. A. C. (ed.). Mount St. Helens: One year later. Eastern Washington University Press, Cheny, Washington, p. 141.
Hayward, J. L., D. E. Miller and C. R. Hill. 1982. Mount St. Helens ash: Its impact on breeding ring-billed and California gulls. Auk 99(4): 623-631.
Hayward, J. L. 1980. A simple egg-marking technique. Journal of Field Ornithology 53(2): 173.
Hayward, J. L., and A. C. Thoresen. 1980. Dippers in marine habitats in Washington. Western Birds 11: 60.
Hayward, J. L., W. H. Gillett and J. F. Stout. 1977. Aggressive communication by Larus glaucescens. Part V. Orientation and sequences of behavior. Behaviour 62: 236-276.
Hayward, J. L., W. H. Gillett, C. J. Amlaner and J. F. Stout. 1977. Predation on gulls by bald eagles in Washington. Auk 94: 375.
Amlaner, C. J., J. L. Hayward, E. R. Schwab and J. F. Stout. 1977. Increases in a population of nesting glaucous-winged gulls disturbed by humans. Murrelet 58: 18-20.
Gillett, W. H., J. L. Hayward and J. F. Stout. 1975. Effects of human activity on egg and chick mortality in a glaucous-winged gull colony. Condor 77: 492-495.
Hayward, J. L., C. J. Amlaner, W. H. Gillett and J. F. Stout. 1975. Predation on nesting gulls by a river otter in Washington State. Murrelet 56:9, 10.
Stout, J. F., J. L. Hayward and W. H. Gillett. 1974. Aggregations of gulls (Laridae) on aerodromes and behavioral techniques for dispersal. In Gauthreaux, S. A., Jr. (ed.). Proceedings of the Conference Biological Aspects of the Bird/Aircraft Collision Problem, Clemson University, Clemson, South Carolina. pp. 125-148.
Books
Hayward, J. L. 1998. The Creation/Evolution Controversy: An Annotated Bibliography. Lanham, MD: Scarecrow Press. 253 p. (Selected by Choice as an “Outstanding Academic Title, 1999.”)
Books edited
Hayward, J. L. (editor). 2000. Creation Reconsidered: Scientific, Biblical, and Theological Perspectives. Association of Adventist Forums. 384 p.
Book Chapters
Hayward, J. L. 2002. Reason for hope: A response by James L. Hayward. In Helm, Herbert W, Jr., and Duane C. McBride (eds.), Many Voices: An Introduction to Social Issues. OpenMind Publishing Group, Cary, NC, pp. 347-349.
