Photograph of an Arctic tern standing near a nest site at Alexandra Fiord, Ellesmere Island
Photograph of an Arctic tern standing near a nest site at Alexandra Fiord, Ellesmere Island
Photograph of an Arctic tern standing near a nest site at Alexandra Fiord, Ellesmere Island
Photograph of an Arctic tern standing near a nest site at Alexandra Fiord, Ellesmere Island
Photograph of an Arctic tern looking at an egg at a nest site at Alexandra Fiord, Ellesmere Island
Photograph of an Arctic tern looking at an egg at a nest site at Alexandra Fiord, Ellesmere Island
Photograph of an Arctic tern looking at an egg at a nest site at Alexandra Fiord, Ellesmere Island
Photograph of an abandoned DEW Line site (now a reindeer herding station) at Atkinson Point, Tuktoyaktuk Peninsula, Northwest Territories
Photograph of Alpine arnica (Arnica alpina) near Tuktoyaktuk, Northwest Territories
Photograph of a view from the top of Split Pingo, near Tuktoyaktuk, Northwest Territories
Photograph of a steep cliff face with hardy tundra plants, near Voisey's Bay, Newfoundland and Labrador
Photograph of a Snow goose nesting at Alexandra Fiord, Ellesmere Island
Photograph of a Snow goose nesting at Alexandra Fiord, Ellesmere Island
Photograph of a Snow goose nesting at Alexandra Fiord, Ellesmere Island
Photograph of a Snow goose nesting at Alexandra Fiord, Ellesmere Island
Photograph of a Snow goose nesting at Alexandra Fiord, Ellesmere Island
Photograph of a Snow goose nesting at Alexandra Fiord, Ellesmere Island
Photograph of a Snow goose nesting at Alexandra Fiord, Ellesmere Island
Photograph of a Snow goose nesting at Alexandra Fiord, Ellesmere Island
Photograph of a Snow goose nesting at Alexandra Fiord, Ellesmere Island
Photograph of a Snow goose nesting at Alexandra Fiord, Ellesmere Island
Photograph of a Snow goose nest at Alexandra Fiord, Ellesmere Island
Photograph of a Snow goose at Alexandra Fiord, Ellesmere Island
Photograph of a small meltwater pond on top of Split Pingo near Tuktoyaktuk, Northwest Territories
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island