Publications

• Poel, P. van der, and Rogier Gruys 2006.  Mild and Mad Day Hikes around Thimphu.  Royal Society for the Protection of Nature, Thimphu, Bhutan. 126pp. Online version.


• Hannon, S. J., R.C. Gruys and J.O. Schieck 2003. Differential seasonal mortality of the sexes in willow ptarmigan in northern British Columbia, Canada. Wildlife Biology 9:317-326. Abstract.
  
  
• Gruys, Rogier, 2000 Tourism: growth or stagnation? – a commentary.  Kuensel (Bhutan’s national newspaper), April 2001. Online version.
  
  
• Gruys, Rogier, 2000.  Information Technology in Bhutan – Propelling a Himalayan Kingdom into the Information Age. Tashi Delek, Druk Air in-flight Magazine, Nov/Dec 2000 6pp. Online version (PDF).
  
  
• Harper, Martin, Rogier Gruys, and Nigel Brown (eds.) 1998.  Lake Hovsgol National Park.  A Visitor’s Guide.  Discovery Initiatives, Ulaanbaatar, Mongolia.  75pp. 
  
  
• Gruys, Rogier C., Jeff McCusker, and D. Galbadrakh, 1997.   Photo Opportunities.  An introduction to photo-voltaic power systems in Mongolia.  Mongolia Biodiversity Project.  Ulaanbaatar, Mongolia.  30 pp.
  
  
• Betz, William W. and Rogier Gruys  1995.  Range extensions of the Snow Mountain Quail (Anurophasis monorthonyx) to the Oranje Mountains (Star Mountains, Irian Jaya).  Science in New Guinea 21(2):69‑72. Abstract.
  
  
• Gruys, Rogier C. 1993. Autumn and winter movements of willow ptarmigan at Chilkat Pass, B.C.  Arctic 46(3):228-239.Abstract. Full article (PDF).
  
  
• Gruys, Rogier C.  1991. Autumn and winter movements and mortality of willow ptarmigan at Chilkat Pass, B.C.  Unpubl. M.Sc. Thesis, Univ. of Alberta, Edmonton, Canada.  284 pp. Abstract.
  
  
• Gruys, Rogier C., and Susan J. Hannon 1993.  Sex determination of hunter-killed and depredated willow ptarmigan using a discriminant analysis.  J. Field Ornithol. 64(1):11-17. Abstract.
  
  
• Hannon, S. J. and R. C. Gruys. 1990.  Patterns of predation in a population of willow ptarmigan in northern Canada.  Proc. Int. Grouse Symp. 4:44-50.