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Grant Morriss

Senior Technician - Field
Wildlife Ecology & Management
Grant Morriss
Contact Grant

Research interests

Role at Landcare Research

Senior Technician - Field; Wildlife Ecology and Management, Manaaki Whenua - Landcare Research, Lincoln

Research interests

  • Developing and field testing new methods for vertebrate pest control
  • Improving target specificity of vertebrate pesticides
  • Monitoring impacts of vertebrate pesticides
  • Welfare testing of vertebrate pest traps

Professional affiliations / recognition

Recent publications

Morriss, G.A.; O’Connor, C.E.; Airey, A.T.; Fisher, P. 2008: Factors influencing acceptance and efficacy of toxic baits in ship rats, Norway rats and house mice. Science for Conservation 282. Department of Conservation.

Fisher, P.; O’Connor, C.; Morriss, G.; Airey, A. 2007: House mice avoid 1080. Kararehe Kino 10.

Forsyth, D.M.; Barker, R.J.; Morriss, G.; Scroggie, M.P. 2007: Modeling the relationship between fecal pellet indices and deer density. Journal of Wildlife Management 71: 964–970.

Spurr, E.B.; Morriss, G.A.; Turner, J.; O’Connor, C.E.; Fisher, P. 2007: Bait station preferences of ship rats. DOC Research & Development Series 271. Department of Conservation.

Spurr, E.B.; Morriss, G.A.; Turner, J.; O’Connor, C.E.; Fisher, P. 2006: Bait station preferences of Norway rats. DOC Research & Development Series 255. Department of Conservation.

Morriss, G. 2006: Reducing non-target interference with Feratox. Kararehe Kino: Vertebrate Pest Research 7.

Morriss, G.; Nugent, G.; Fisher, P. 2005: Exposure of feral pigs to brodifacoum following baiting for rodent control. DOC Science Internal Series 194. Department of Conservation.

Morriss, G.A.; Manning, L.M.; O’Connor, C.E. 2003: Assessment of the primary and secondary poisoning risk posed by Feratox-poisoned possums. Landcare Research Contract Report LC0304/029.

Morriss, G.A.; Nugent, G.; O’Connor, C.E.; Stafford, K. 2003: Development and testing of a deer-repellent cereal bait for possum control. Landcare Research Contract Report LC0304/021.




Morriss GA, Warburton B 2014. Modifying the Victor® Easy Set® rat trap to improve the animal welfare of stoats and ship rats trapped in New Zealand. PLOS One 9(2): e86760.

Nugent G, Morriss GA 2013. Delivery of toxic bait in clusters: a modified technique for aerial poisoning of small mammal pests. New Zealand Journal of Ecology 37(2): 246–255.

Ballesteros C, Vicente J, Morriss G, Jockney I, Rodriguez O, Gortazar C, de la Fuente J 2011. Acceptance and palatability for domestic and wildlife hosts of baits designed to deliver a tuberculosis vaccine to wild boar piglets. Preventive veterinary medicine 98(2-3): 198-203. WOS:000287068100014

Morriss G, Warburton B 2011. Could bait caching behaviour of ship rats affect the efficacy of 1080 baiting for killing possums? In: Saunders G, Lane C ed. Proceedings: 15th Australasian Vertebrate Pest Conference, Sydney, June 20-23 2011. Pp. 178.

Morriss G, Whitford J, Nugent G 2010. Using less 1080 in aerial baiting: latest results from research into cluster sowing. Proceedings: 2010 NPCA Technology Transfer Conference 24-25 November 2010, Wellington. Pp. 6.

Morriss G 2010. Use of trail cameras. Kararehe kino 16: 7.

Morriss G, Nugent G 2009. [Abstract] Efficacy of cluster baiting to reduce costs and toxin use during aerial poisoning. Proceedings: NPCA 2009 Technology Transfer Conference, Wellington, 25-26 November, 2009. Pp. 18.

Morriss G, Nugent G 2009. [Abstract] Epro deer repellent : will it stop cattle and sheep from eating possum baits? Proceedings: NPCA 2009 Technology Transfer Conference, Wellington, 25-26 November, 2009. Pp. 17.