Matthew C. Perry, Ph.D. (Former Employee)
Science and Products
Filter Total Items: 131
Incidence of lead shot in canvasbacks Incidence of lead shot in canvasbacks
During 1975 and 1976, 2,544 canvasbacks (Aythya valisineria) from North Dakota, Wisconsin, Illinois, and Maryland were flouroscoped to determine the incidence of body shot. A significant increase from west to east was detected in the incidence of shot for immatures from the four states. The incidence of shot in immatures after the 1975-76 hunting season was 18 percent in Maryland and 20...
Authors
Matthew C. Perry
Comments on recent canvasback habitat trends and threats on Chesapeake Bay Comments on recent canvasback habitat trends and threats on Chesapeake Bay
During the last 22 years, the North American winter population of canvasbacks has fluctuated from 481,000 in 1955 to 179,000 in 1972. The Chesapeake Bay population has averaged 33 percent of the North American population and 64 percent of the Atlantic Flyway population. In Maryland, significant annual fluctuations have been recorded between the eastern and western shore of Chesapeake Bay...
Authors
Matthew C. Perry
Infection and mortality in captive wild-trapped canvasback ducks Infection and mortality in captive wild-trapped canvasback ducks
Fungal, bacterial and malarial infections, as well as malnutrition caused heavy mortality in a group of wild-trapped canvasbacks (Aythya valisineria) held in 10 × 3 × 2 m open water pens. Deaths occurred between 21 and 158 days after confinement and were associated with infections of Aspergillus fumigatus, Escherichia coli, Staphylococcus sp., Streptococcus sp., Klebsiella sp...
Authors
R. M. Kocan, Matthew C. Perry
Early egg laying for the Carolina wren Early egg laying for the Carolina wren
No abstract available.
Authors
Matthew C. Perry, B. Meanley
Looking out for the canvasback. Canvasback--King of the bay. Part V Looking out for the canvasback. Canvasback--King of the bay. Part V
No abstract available.
Authors
Matthew C. Perry
Looking out for the canvasback. Canvasback--King of the bay. Part IV Looking out for the canvasback. Canvasback--King of the bay. Part IV
No abstract available.
Authors
Matthew C. Perry
Red-cockaded woodpecker near Bowie, Maryland Red-cockaded woodpecker near Bowie, Maryland
No abstract available.
Authors
B. Meanley, Matthew C. Perry
Red-cockaded woodpecker near Bowie, Maryland Red-cockaded woodpecker near Bowie, Maryland
No abstract available.
Authors
B. Meanley, Matthew C. Perry
[Book review] The Ecology of Stray Dogs: A Study of Free-Ranging Urban Animals, by Alan M. Beck [Book review] The Ecology of Stray Dogs: A Study of Free-Ranging Urban Animals, by Alan M. Beck
Review of: The Ecology of Stray Dogs: A Study of Free-Ranging Urban Animals. Alan M. Beck. Purdue University Press. 1973. West Lafayette, IN. 9781612491424.
Authors
Matthew C. Perry
Wood duck observed following geese Wood duck observed following geese
No abstract available.
Authors
Matthew C. Perry, Frank B. McGilvrey
Science and Products
Filter Total Items: 131
Incidence of lead shot in canvasbacks Incidence of lead shot in canvasbacks
During 1975 and 1976, 2,544 canvasbacks (Aythya valisineria) from North Dakota, Wisconsin, Illinois, and Maryland were flouroscoped to determine the incidence of body shot. A significant increase from west to east was detected in the incidence of shot for immatures from the four states. The incidence of shot in immatures after the 1975-76 hunting season was 18 percent in Maryland and 20...
Authors
Matthew C. Perry
Comments on recent canvasback habitat trends and threats on Chesapeake Bay Comments on recent canvasback habitat trends and threats on Chesapeake Bay
During the last 22 years, the North American winter population of canvasbacks has fluctuated from 481,000 in 1955 to 179,000 in 1972. The Chesapeake Bay population has averaged 33 percent of the North American population and 64 percent of the Atlantic Flyway population. In Maryland, significant annual fluctuations have been recorded between the eastern and western shore of Chesapeake Bay...
Authors
Matthew C. Perry
Infection and mortality in captive wild-trapped canvasback ducks Infection and mortality in captive wild-trapped canvasback ducks
Fungal, bacterial and malarial infections, as well as malnutrition caused heavy mortality in a group of wild-trapped canvasbacks (Aythya valisineria) held in 10 × 3 × 2 m open water pens. Deaths occurred between 21 and 158 days after confinement and were associated with infections of Aspergillus fumigatus, Escherichia coli, Staphylococcus sp., Streptococcus sp., Klebsiella sp...
Authors
R. M. Kocan, Matthew C. Perry
Early egg laying for the Carolina wren Early egg laying for the Carolina wren
No abstract available.
Authors
Matthew C. Perry, B. Meanley
Looking out for the canvasback. Canvasback--King of the bay. Part V Looking out for the canvasback. Canvasback--King of the bay. Part V
No abstract available.
Authors
Matthew C. Perry
Looking out for the canvasback. Canvasback--King of the bay. Part IV Looking out for the canvasback. Canvasback--King of the bay. Part IV
No abstract available.
Authors
Matthew C. Perry
Red-cockaded woodpecker near Bowie, Maryland Red-cockaded woodpecker near Bowie, Maryland
No abstract available.
Authors
B. Meanley, Matthew C. Perry
Red-cockaded woodpecker near Bowie, Maryland Red-cockaded woodpecker near Bowie, Maryland
No abstract available.
Authors
B. Meanley, Matthew C. Perry
[Book review] The Ecology of Stray Dogs: A Study of Free-Ranging Urban Animals, by Alan M. Beck [Book review] The Ecology of Stray Dogs: A Study of Free-Ranging Urban Animals, by Alan M. Beck
Review of: The Ecology of Stray Dogs: A Study of Free-Ranging Urban Animals. Alan M. Beck. Purdue University Press. 1973. West Lafayette, IN. 9781612491424.
Authors
Matthew C. Perry
Wood duck observed following geese Wood duck observed following geese
No abstract available.
Authors
Matthew C. Perry, Frank B. McGilvrey
*Disclaimer: Listing outside positions with professional scientific organizations on this Staff Profile are for informational purposes only and do not constitute an endorsement of those professional scientific organizations or their activities by the USGS, Department of the Interior, or U.S. Government