Tag Archives: Ross’s goose

“Blue” Goose

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Both Ross’s geese (Chen rossii) and snow geese (Chen caerulescens) exhibit “blue” morphs or color variants. The dark forms of these two Arctic white geese are very uncommon. After Leonard and I found a blue morph Ross’s goose earlier this … Continue reading

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Snow or Ross’s Goose?

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The two white Arctic geese look very similar and are difficult to tell apart, particularly in single species flocks or as individuals. Both the snow goose (Chen caerulescens) and the Ross’s goose (Chen rossii) are white with black primaries (wing … Continue reading

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Blue Morph Ross’s Goose

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A rare blue morph of the Ross’s goose (Chen rossii) exists. The origin of this blue morph is uncertain. It might be due to hybridization with the snow goose blue morph (Chen caerulescens)¬†or recurrent mutations of Ross’s goose genes controlling … Continue reading

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Ross’s Goose

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The smallest of the white Arctic geese, Ross’s geese (Chen rossii) look like miniature versions of the more common snow goose (Chen caerulescens – see my 02-16-12 post). Ross’s geese are about 40% smaller than snow geese. Where the two … Continue reading

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Snow Goose

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The snow geese are here! These medium-sized white geese breed in the high Arctic tundra and winter in southern wetlands and agricultural fields. For a few months in the spring Big Valley, where we live, is graced with thousands of … Continue reading

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