Jack Dykinga / Sandhill cranes (Antigone canadensis) and Snow geese (Chen caerulescens) at sunrise, Bosque del Apache National Wildlife Refuge, New Mexico, USA, November.
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Marie Read / Canada geese (Branta canadensis) two during territorial fight in early spring, Ithaca. New York, USA
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David Allemand / Two Snow geese (Anser caerulescens) during migration, with dark clouds against the sun, Quebec, Canada, October.
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Steve Downer / Close up of a Canada goose gosling (Branta canadensis) sleeping, with other goslings in the background, Birmingham, England, UK, June.
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Jack Dykinga / Sandhill cranes (Grus canadensis) and Snow geese (Chen caerulescens) Bosque del Apache National Wildlife Refuge, New Mexico, USA, December.
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Matthias Breiter / Snow Goose (Chen caerulescens) flock flying over coastal flats, Hudson Bay, Manitoba, Canada
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Matthias Breiter / Snow Goose (Chen caerulescens) flock at coastal flats, Hudson Bay, Manitoba, Canada
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Marie Read / Canada goose (Branta canadensis) adult swimming leading five goslings, Ithaca, New York, USA.
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David Pattyn / Canada goose (Branta canadensis) group of adults with young chicks. The Netherlands. June 2014
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David Pattyn / Canada goose swimming portrait (Branta canadensis) The Netherlands. March 2013.
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Jack Dykinga / Sandhill crane (Grus canadensis) landing in icy pond filled with snow geese (Chen caerulescens) Bosque del Apache, New Mexico. January 2013
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Laurent Geslin / Canada goose (Branta canadensis) grazing at Walthamstow reservoir, London, UK