Charles J. Henny
I am a Scientist Emeritus at the USGS Forest and Rangeland Ecosystem Science Center.
My research focuses on field studies of raptors and fish-eating birds, particularly Ospreys. I am interested in the unique situations and characteristics that make particular species vulnerable to contaminant threats. In my spare time I enjoy collecting bird books.
Education and Certifications
Ph.D., Wildlife Ecology, Oregon State University, Corvallis, OR (1970)
M.S., Wildlife Ecology (1967)
B.S., Fisheries & Wildlife (1965)
Science and Products
If you are unable to access or download a product, email fresc_outreach@usgs.gov a request, including the full citation, or call (541) 750-1030.
If you are unable to access or download a product, email fresc_outreach@usgs.gov a request, including the full citation, or call (541) 750-1030.
Filter Total Items: 213
Serum proteins of Canada goose (Branta canadensis) subspecies Serum proteins of Canada goose (Branta canadensis) subspecies
Serum proteins from nine subspecies of Canada Geese (Brunta canadensis) were analyzed through the use of column and slab acrylamide electrophoresis. Variation was minimal within a subspecies, although all the subspecies were closely related. B. c. leucopareia appeared to be the most distinct subspecies, while maxima and moffitti were the most similar. Our preliminary findings suggest...
Authors
R.P. Morgan, S. T. Sulkin, Charles J. Henny
California ospreys begin incubation at a frozen mountain lake California ospreys begin incubation at a frozen mountain lake
No abstract available.
Authors
Charles J. Henny
Conservation committee report. Falconry: Effects on raptor populations and management in North America Conservation committee report. Falconry: Effects on raptor populations and management in North America
The art of falconry in North America, practiced by a few individuals for many years, attracted little attention until the 1960?s. Presently about 2800 falconers are licensed in the United States with less than one half considered to be active. While interest in this art is expected to increase, we believe growth will be slow, probably 5 to 10% per year, due to rigorous demands on time...
Authors
C.E. Braun, J.H. Enderson, Charles J. Henny, H. Meng, A.G. Nye
Birds of prey, DDT, and tussock moths in Pacific Northwest Birds of prey, DDT, and tussock moths in Pacific Northwest
No abstract available.
Authors
Charles J. Henny
Brain cholinesterase activities of birds from forests sprayed with trichlorfon (Dylox) and carbaryl (Sevin-4-oil) Brain cholinesterase activities of birds from forests sprayed with trichlorfon (Dylox) and carbaryl (Sevin-4-oil)
Brain cholinesterase activities were determined in birds from forests sprayed with Dylox2 at 1.13 kg/hectare (1 1b/acre — active ingredient [a.i.]) or Sevin-4-oil2 at 1.13 kg/hectare (1 1b/acre — a.i.) for up to 5 days postspray. Of ten bird species evaluated from the Dylox spray area, four species represented by six individuals had values which were depressed more than 2 standard...
Authors
J.G. Zinkl, Charles J. Henny, L.R. DeWeese
Residues in common flicker and mountain bluebird eggs one year after a DDT application Residues in common flicker and mountain bluebird eggs one year after a DDT application
Common flicker (Colaptes auratus) and mountain bluebird (Sialia currucoides) eggs were examined 1 year after DDT application and showed a marked difference. Residue levels in mountain bluebird eggs were approximately 10 times higher than in common flicker eggs (5.29 to 0.58 ppm wet weight). These differences can be explained by disparate dietary habits. The mean level in American kestrel...
Authors
Charles J. Henny, R.A. Olson, D. L. Meeker
Non-USGS Publications**
Henny, C.J., Wight, H.M., 1969, An endangered osprey population- Estimates of mortality and production: Auk, v. 86, p. 188-198.
Henny, C.J., 1969, Geographical variation in mortality rates and production requirements of the Barn Owl (Tyto alba ssp.): Bird-Banding, v. 40, no. 4, p. 277-290.
Chapman, J.A., Henny, C.J., Wight, H.M., 1969, The status, population dynamics, and harvest of the dusky Canada goose: Wildlife Monographs, no. 18, p. 1-48.
Chapman, J.A., Henny, C.J., 1968, Records of surf scoters found inland in Oregon: Murrelet, v. 49, no. 1, p. 11.
Henny, C.J., 1967, Estimating band-reporting rates from banding and crippling loss data: Journal of Wildlife Management, v. 31, no. 3, p. 533-538.
**Disclaimer: The views expressed in Non-USGS publications are those of the author and do not represent the views of the USGS, Department of the Interior, or the U.S. Government.
Science and Products
If you are unable to access or download a product, email fresc_outreach@usgs.gov a request, including the full citation, or call (541) 750-1030.
If you are unable to access or download a product, email fresc_outreach@usgs.gov a request, including the full citation, or call (541) 750-1030.
Filter Total Items: 213
Serum proteins of Canada goose (Branta canadensis) subspecies Serum proteins of Canada goose (Branta canadensis) subspecies
Serum proteins from nine subspecies of Canada Geese (Brunta canadensis) were analyzed through the use of column and slab acrylamide electrophoresis. Variation was minimal within a subspecies, although all the subspecies were closely related. B. c. leucopareia appeared to be the most distinct subspecies, while maxima and moffitti were the most similar. Our preliminary findings suggest...
Authors
R.P. Morgan, S. T. Sulkin, Charles J. Henny
California ospreys begin incubation at a frozen mountain lake California ospreys begin incubation at a frozen mountain lake
No abstract available.
Authors
Charles J. Henny
Conservation committee report. Falconry: Effects on raptor populations and management in North America Conservation committee report. Falconry: Effects on raptor populations and management in North America
The art of falconry in North America, practiced by a few individuals for many years, attracted little attention until the 1960?s. Presently about 2800 falconers are licensed in the United States with less than one half considered to be active. While interest in this art is expected to increase, we believe growth will be slow, probably 5 to 10% per year, due to rigorous demands on time...
Authors
C.E. Braun, J.H. Enderson, Charles J. Henny, H. Meng, A.G. Nye
Birds of prey, DDT, and tussock moths in Pacific Northwest Birds of prey, DDT, and tussock moths in Pacific Northwest
No abstract available.
Authors
Charles J. Henny
Brain cholinesterase activities of birds from forests sprayed with trichlorfon (Dylox) and carbaryl (Sevin-4-oil) Brain cholinesterase activities of birds from forests sprayed with trichlorfon (Dylox) and carbaryl (Sevin-4-oil)
Brain cholinesterase activities were determined in birds from forests sprayed with Dylox2 at 1.13 kg/hectare (1 1b/acre — active ingredient [a.i.]) or Sevin-4-oil2 at 1.13 kg/hectare (1 1b/acre — a.i.) for up to 5 days postspray. Of ten bird species evaluated from the Dylox spray area, four species represented by six individuals had values which were depressed more than 2 standard...
Authors
J.G. Zinkl, Charles J. Henny, L.R. DeWeese
Residues in common flicker and mountain bluebird eggs one year after a DDT application Residues in common flicker and mountain bluebird eggs one year after a DDT application
Common flicker (Colaptes auratus) and mountain bluebird (Sialia currucoides) eggs were examined 1 year after DDT application and showed a marked difference. Residue levels in mountain bluebird eggs were approximately 10 times higher than in common flicker eggs (5.29 to 0.58 ppm wet weight). These differences can be explained by disparate dietary habits. The mean level in American kestrel...
Authors
Charles J. Henny, R.A. Olson, D. L. Meeker
Non-USGS Publications**
Henny, C.J., Wight, H.M., 1969, An endangered osprey population- Estimates of mortality and production: Auk, v. 86, p. 188-198.
Henny, C.J., 1969, Geographical variation in mortality rates and production requirements of the Barn Owl (Tyto alba ssp.): Bird-Banding, v. 40, no. 4, p. 277-290.
Chapman, J.A., Henny, C.J., Wight, H.M., 1969, The status, population dynamics, and harvest of the dusky Canada goose: Wildlife Monographs, no. 18, p. 1-48.
Chapman, J.A., Henny, C.J., 1968, Records of surf scoters found inland in Oregon: Murrelet, v. 49, no. 1, p. 11.
Henny, C.J., 1967, Estimating band-reporting rates from banding and crippling loss data: Journal of Wildlife Management, v. 31, no. 3, p. 533-538.
**Disclaimer: The views expressed in Non-USGS publications are those of the author and do not represent the views of the USGS, Department of the Interior, or the U.S. Government.