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Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
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Photograph of Sora (Porzana carolina) on the banks of the Mackenzie River at Bear Island, near Norman Wells, Northwest Territories
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 Double-crested cormorant chicks 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 two Double-crested cormorant embryos from addled eggs 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 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
Photographs of the Amoco Cadiz oil spill, off Brittany
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Photographs of the Amoco Cadiz oil spill, off Brittany
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Photograph of five dead oiled seabirds along the Brittany coast after the Amoco Cadiz spill
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Photograph of oiled juvenile guillemots after treatment along the Brittany coast after the Amoco Cadiz spill
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
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Photograph of puffins at Gull Island, near Cape St. Mary's, Newfoundland and Labrador
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Photograph of a gannet colony on a rocky outcrop, Cape St. Mary's, Newfoundland and Labrador
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Photograph of gannets at Cape St. Mary's, Newfoundland and Labrador
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Photograph of young American kestrels perched in an area of clear cut shag, Shelburne County, Nova Scotia
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Photograph of a bird near melting lake ice in the Tobeatic Wilderness Area, southwestern Nova Scotia
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Photograph of a Snow goose nest at Alexandra Fiord, Ellesmere Island
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Photograph of a Snow goose at Alexandra Fiord, Ellesmere Island
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Photograph of a Snow goose nesting at Alexandra Fiord, Ellesmere Island
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Photograph of a Snow goose nesting at Alexandra Fiord, Ellesmere Island
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Photograph of a Snow goose nesting at Alexandra Fiord, Ellesmere Island
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Photograph of a Snow goose nesting at Alexandra Fiord, Ellesmere Island
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Photograph of a Snow goose nesting at Alexandra Fiord, Ellesmere Island
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Photograph of a Snow goose nesting at Alexandra Fiord, Ellesmere Island
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Photograph of a Snow goose nesting at Alexandra Fiord, Ellesmere Island
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Photograph of a Snow goose nesting at Alexandra Fiord, Ellesmere Island
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Photograph of a Snow goose nesting at Alexandra Fiord, Ellesmere Island
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Photograph of a Snow goose nesting at Alexandra Fiord, Ellesmere Island
Photographs of Snow goose at Alexandra Fiord, Ellesmere Island
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Photographs of Snow goose at Alexandra Fiord, Ellesmere Island
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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]
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]
Photographs of Great Grey, Snowy, and Barred owls
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Photographs of Great Grey, Snowy, and Barred owls
Photographs of birds at the Headland site, Toronto
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Photographs of birds at the Headland site, Toronto
Photographs of birds around Tuktoyaktuk, Northwest Territories
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Photographs of birds around Tuktoyaktuk, Northwest Territories
Photographs of the birds of central Florida
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Photographs of the birds of central Florida
Photographs of Old squaw at Alexandra Fiord, Ellesmere Island
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Photographs of Old squaw at Alexandra Fiord, Ellesmere Island
Photographs of breeding birds at Alexandra Fiord, Ellesmere Island
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Photographs of breeding birds at Alexandra Fiord, Ellesmere Island
Photographs of Baird's sandpiper at Alexandra Fiord, Ellesmere Island
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Photographs of Baird's sandpiper at Alexandra Fiord, Ellesmere Island
Photographs of birds at Smoking Hills, Northwest Territories
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Photographs of birds at Smoking Hills, Northwest Territories
Photographs of Rock ptarmigan at Fiona Lake, Somerset Island
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Photographs of Rock ptarmigan at Fiona Lake, Somerset Island
Photographs of Snow bunting at Cape Bathurst and Alexandra Fiord
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Photographs of Snow bunting at Cape Bathurst and Alexandra Fiord
Photographs of Parasitic jaeger at Alexandra Fiord, Ellesmere Island
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Photographs of Parasitic jaeger at Alexandra Fiord, Ellesmere Island
Photographs of Long-tailed jaeger at Eureka and Alexandra Fiord, Ellesmere Island
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Photographs of Long-tailed jaeger at Eureka and 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