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Chris Farmer
   Photo

Chris Farmer

   Biography

Chris is the Principal biologist at DNV GL - Energy. He focuses on understanding and mitigating the potential impacts of renewable energy development on birds and bats, with an emphasis on bald and golden eagles. Previously, he was a research biologist at Hawk Mountain Sanctuary focused on the use of migration counts to index changes in raptor populations and on the breeding biology of the American Kestrel.

DNV GL
4377 County Line Road  
Chalfont,  Pennsylvania  18914  United States
Phone: 503-880-1617
Email: christopher.farmer@dnvgl.com


   Research Interests

Renewable energy development, Predator-prey dynamics, breeding biology of American Kestrels, long-term monitoring of raptor populations using migration counts, affects of habitat use and landscape management on wildlife population dynamics.

Species of Interest: 
  • Bald Eagle
  • Golden Eagle
  • Osprey
  • Red-shouldered Hawk
  • American Kestrel


   Publications

Katzner,T., B. Smith, T.A. Miller, D. Brandes, J. Cooper, M. Lanzone, D. Brauning, C. Farmer, S. Harding, D.E. Kramar, C. Koppie, C. Maisonneuve, M. Martell, E.R. Mojica, C. Todd, J.A. Tremblay, M. Wheeler, D.F. Brinker, T.E. Chubbs, R. Gubler, K. O'Malley, S. Mehus, B. Porter, R.P. Brooks, B.D. Watts, and K.L. Bildstein. 2012. Status, biology, and conservation priorities for North America's eastern Golden Eagle (Aquila chrysaetos) population. Auk 129:168-176.

Farmer, C.J., K. Safi, D.R. Barber, I. Newton, M. Martell, and K.L. Bildstein. 2010. Efficacy of migration counts for monitoring continental populations of raptors: an example using the Osprey (Pandion haliaetus). Auk 127:863-870.       pdf

Farmer, C.J., and J.P. Smith. 2010. Seasonal differences in migration counts of raptors: utility of spring counts for population monitoring. Journal of Raptor Research 44:101-112.       pdf

Bildstein, K.L., M.J. Bechard, C. Farmer, and L. Newcomb. 2009. Narrow sea crossings present major obstacles to migrating Griffon Vultures Gyps fulvus. Ibis 151:382-391.

Farmer, C.J., and J.P. Smith. 2009. Migration monitoring indicates widespread declines of American Kestrels (Falco sparverius) in North America. Journal of Raptor Research 43:263-273.       pdf

Farmer, C.J., R.J. Bell, B. Drolet, L.J. Goodrich, E. Greenstone, D. Grove, D.J.T. Hussell, D. Mizrahi, F.J. Nicoletti, and J. Sodergren. 2008. Trends in autumn counts of migratory raptors in northeastern North America, 1974-2004. Pp. 179-215 in K.L. Bildstein, J.P. Smith, E. Ruelas Inzunza, and R.R. Veit (eds.), State of North America's birds of prey. Nuttall Ornithological Club, Cambridge, MA, and American Ornithologists' Union, Washington, D.C.

Farmer, C.J., L.J. Goodrich, E. Ruelas Inzunza, and J.P. Smith. 2008. Conservation status of North America's birds of prey. Pp. 303-419 in K.L. Bildstein, J.P. Smith, E. Ruelas Inzunza, and R.R. Veit (eds.), State of North America's birds of prey. Nuttall Ornithological Club, Cambridge, MA, and American Ornithologists' Union, Washington, D.C.

Farmer, C.J., and D.J.T. Hussell. 2008. The Raptor Population Index in practice. Pp. 165-177 in K.L. Bildstein, J.P. Smith, E. Ruelas Inzunza, and R.R. Veit (eds.), State of North America's birds of prey. Nuttall Ornithological Club, Cambridge, MA, and American Ornithologists' Union, Washington, D.C.

Smith, J.P., C.J. Farmer, S.H. Hoffman, G.S. Kaltenecker, K.Z. Woodruff, and P.J. Sherrington. 2008. Trends in autumn counts of migratory raptors in western North America. Pp. 217-251 in K.L. Bildstein, J.P. Smith, E. Ruelas Inzunza, and R.R. Veit (eds.), State of North America's birds of prey. Nuttall Ornithological Club and American Ornithologists' Union, Cambridge, MA and Washington, D.C.

Smith, J.P., C.J. Farmer, S.W. Hoffman, C.A. Lott, L.J. Goodrich, J. Simon, C. Riley, and E. Ruelas Inzunza. 2008. Trends in autumn counts of migratory raptors around the Gulf of Mexico, 1995-2005. Pp. 253-277 in K.L. Bildstein, J.P. Smith, E. Ruelas Inzunza, and R.R. Veit (eds.), State of North America's birds of prey. Nuttall Ornithological Club, Cambridge, MA, and American Ornithologists' Union, Washington, D.C.

Bildstein, K.L., M.J. Bechard, P. Porras, E. Campo, and C.J. Farmer. 2007. Seasonal abundances and distributions of Black Vulture (Coragyps atratus) and Turkey Vultures (Cathartes aura) in Costa Rica and Panama: evidence for reciprocal migration in the Neotropics. Pp. 47-60 in K.L. Bildstein, D.R. Barber, and A. Zimmerman (eds.), Neotropical raptors. Hawk Mountain Sanctuary, Orwigsburg, PA.

Farmer, C.J., D.J.T. Hussell, and D. Mizrahi. 2007. Detecting population trends in migratory birds of prey. Auk 124:1047-1062.       pdf

Porras-Peńaranda, P., C. Batista, C.J. Farmer, L.L. Goodrich, E. Ruelas, and S. Hoffman. 2007. (Abstract) Migration timing for Swainson's Hawk (Buteo swainsoni), Broad-winged Hawk (Buteo platypterus), and Turkey Vultures (Cathartes aura) in relation to important weather events in the Caribbean Sea at the River of Raptors (Mexico), Kčköldi (Costa Rica), and Raptors Ocean to Ocean (Panama) watchsites during the Fall of 2004 and 2005. Pp. 328-329 in K.L. Bildstein, D.R. Barber, and A. Zimmerman (eds.), Neotropical raptors. Hawk Mountain Sanctuary, Orwigsburg, PA.

Goodrich, L.J., C. J. Farmer, D. R. Barber, and K.L. Bildstein. 2012. What banding tells us about the movement ecology of raptors. Journal of Raptor Research 46(1): 27-35.

Klem, D Jr., C.J. Farmer, N. Delacretaz, Y. Gelb, and P. Saenger. 2009. Architectural and landscape risk factors associated with bird-glass collisions in an urban environment. Wilson Journal of Ornithology 121(1): 126-134.

Bildstein, K.L., C. J. Farmer,and R. Yosef. 2009. Raptor population monitoring: examples from migration watchsites in North America. Avocetta 33: 43-51.



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