Controversy over the use of herbicides in forestry, with particular reference to glyphosate usage : [manuscript and correspondence]
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Controversy over the use of herbicides in forestry, with particular reference to glyphosate usage : [manuscript and correspondence]
Selected studies of forestry and bird communities in Nova Scotia and New Brunswick : [manuscript and correspondence]
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Selected studies of forestry and bird communities in Nova Scotia and New Brunswick : [manuscript and correspondence]
Effects of silvicultural use of the herbicide glyphosate on breeding birds of regenerating clearcuts in Nova Scotia, Canada : [manuscript and other materials]
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Effects of silvicultural use of the herbicide glyphosate on breeding birds of regenerating clearcuts in Nova Scotia, Canada : [manuscript and other materials]
Use of lakes by black duck broods in relation to biological, chemical, and physical features : [manuscript and other materials]
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Use of lakes by black duck broods in relation to biological, chemical, and physical features : [manuscript and other materials]
Breeding bird communities in a hardwood forest succession in Nova Scotia : [manuscript and other materials]
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Breeding bird communities in a hardwood forest succession in Nova Scotia : [manuscript and other materials]
Effects of the herbicide 2,4,5-T on the habitat and abundance of breeding birds and small mammals of a conifer clearcut in Nova Scotia : [manuscript and correspondence]
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Effects of the herbicide 2,4,5-T on the habitat and abundance of breeding birds and small mammals of a conifer clearcut in Nova Scotia : [manuscript and correspondence]
Biological survey of Conrad Island, N.S. : [manuscript and other materials]
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Biological survey of Conrad Island, N.S. : [manuscript and other materials]
Forestry management practices and populations of breeding birds in a hardwood forest in Nova Scotia : [manuscript and correspondence]
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Forestry management practices and populations of breeding birds in a hardwood forest in Nova Scotia : [manuscript and correspondence]
Preliminary observations of breeding birds and vegetation in a post-clearcutting secondary succession in a hardwood forest in Nova Scotia : [draft manuscript and other materials]
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Preliminary observations of breeding birds and vegetation in a post-clearcutting secondary succession in a hardwood forest in Nova Scotia : [draft manuscript and other materials]
Foraging behavior and prey selection by ospreys in coastal habitats in Nova Scotia, Canada : [manuscript]
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Foraging behavior and prey selection by ospreys in coastal habitats in Nova Scotia, Canada : [manuscript]
Status of the Osprey, Pandion haliaetus, in Halifax and Lunenburg Counties, Nova Scotia : [manuscript and correspondence]
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Status of the Osprey, Pandion haliaetus, in Halifax and Lunenburg Counties, Nova Scotia : [manuscript and correspondence]
Population trends of various species of birds wintering in southern Ontario : [manuscript]
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Population trends of various species of birds wintering in southern Ontario : [manuscript]
Population trends in water fowl wintering in the Toronto region, 1929-1976 : [manuscript]
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Population trends in water fowl wintering in the Toronto region, 1929-1976 : [manuscript]
Waterfowl populations in the vicinity of the Leslie Street headland, Toronto, Ontario, October 1975 to September 1976 : [manuscript]
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Waterfowl populations in the vicinity of the Leslie Street headland, Toronto, Ontario, October 1975 to September 1976 : [manuscript]
Populations of breeding birds at Alexandra Fjord, Ellesmere Island, Northwest Territories, compared with other Arctic localities : [manuscript and correspondence]
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Populations of breeding birds at Alexandra Fjord, Ellesmere Island, Northwest Territories, compared with other Arctic localities : [manuscript and correspondence]
Breeding bird surveys at Alexandra Fiord, Ellesmere Island, Nunavut, 1980-2008 : [manuscript]
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Breeding bird surveys at Alexandra Fiord, Ellesmere Island, Nunavut, 1980-2008 : [manuscript]
Birds and mammals of Alexandra Fiord and vicinity : [manuscript and other materials]
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Birds and mammals of Alexandra Fiord and vicinity : [manuscript and other materials]
Ecology of a high Arctic lowland oasis, Alexandra Fjord (78 53'N, 75 65'W), Ellesmere Island, N.W.T., Canada : 1980 and 1981 progress reports : [manuscript]
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Ecology of a high Arctic lowland oasis, Alexandra Fjord (78 53'N, 75 65'W), Ellesmere Island, N.W.T., Canada : 1980 and 1981 progress reports : [manuscript]
Surveys of flora and avifauna at the Sydport Industrial Park, Sydney, Nova Scotia
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Surveys of flora and avifauna at the Sydport Industrial Park, Sydney, Nova Scotia
McNab's Island Christmas bird counts
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McNab's Island Christmas bird counts
Photographs of birds, mammals, insects, and amphibians
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Photographs of birds, mammals, insects, and amphibians
Photographs of Arctic tern at Alexandra Fiord, Ellesmere Island
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Photographs of Arctic tern at Alexandra Fiord, Ellesmere Island
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Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
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Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
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Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
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Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
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Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
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Photograph of an Arctic tern standing near a nest site at Alexandra Fiord, Ellesmere Island
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Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
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Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
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Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
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Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
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Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
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Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
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Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
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Photograph of an Arctic tern looking at an egg at a nest site at Alexandra Fiord, Ellesmere Island
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Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
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Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
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Photograph of an Arctic tern looking at an egg at a nest site at Alexandra Fiord, Ellesmere Island
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Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
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Photograph of an Arctic tern looking at two eggs at a nest site at Alexandra Fiord, Ellesmere Island
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Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
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Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
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Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
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Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
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Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
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Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
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Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
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Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
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Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island