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
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]
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Correspondence related to the lending and valuation of the Labrador duck specimen held in the collection of the McCulloch Museum, Dalhousie University : [correspondence]
Photographs of breeding birds at Alexandra Fiord, Ellesmere Island
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Photographs of breeding birds at Alexandra Fiord, Ellesmere Island
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Photograph of a bird near melting lake ice in the Tobeatic Wilderness Area, southwestern Nova Scotia
Photographs of the flora and fauna of Gros Morne National Park and Cape St. Mary's Park Reserve, Newfoundland
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Photographs of the flora and fauna of Gros Morne National Park and Cape St. Mary's Park Reserve, Newfoundland
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]
Inventory of ecological values on McNab's Island, Halifax County : [draft manuscript]
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Inventory of ecological values on McNab's Island, Halifax County : [draft 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]
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]
Photographs of the birds of central Florida
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Photographs of the birds of central Florida
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]
Photographs of birds, mammals, insects, and amphibians
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Photographs of birds, mammals, insects, and amphibians
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]
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Photograph of two Double-crested cormorant embryos from addled eggs at Lake Winnipegosis, western Manitoba
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Photograph of a Double-crested cormorant embryo from an addled egg at Lake WInnipegosis, western Manitoba
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Photograph of an unidentified person holding a Double-crested cormorant chick at Lake Winnipegosis, western Manitoba
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Photograph of young American kestrels perched in an area of clear cut shag, Shelburne County, Nova Scotia
Photographs of the effects of pollution of Double-crested cormorant in the Great Lakes and Lake Winnipegosis
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Photographs of the effects of pollution of Double-crested cormorant in the Great Lakes and Lake Winnipegosis
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Photograph of a Double-crested cormorant colony at Little Galloo Island, Lake Ontario
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Photograph of a Jim Ludwig's pet Double-crested cormorant named Crossbill in Green Bay, Wisconsin
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Photograph of Double-crested cormorant chicks at Lake Winnipegosis, western Manitoba
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]
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]
William Threlfall fonds
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William Threlfall fonds
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]
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]
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]
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
Photographs of Parasitic jaeger at Alexandra Fiord, Ellesmere Island
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Photographs of Parasitic jaeger 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
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]
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Photograph of an Arctic tern standing near a nest site at Alexandra Fiord, Ellesmere Island