Marie Read / Snow buntings (Plectrophenax nivalis) flock in flight during a snowstorm, New York, USA, January.
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Marie Read / Snowy Owl (Nyctea scandiaca) female perched, Amherst Island, Ontario, Canada, January.
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Marie Read / California quail (Callipepla californica), male emerging from behind snowbank in winter, Mono Lake Basin, California, USA
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Marie Read / Loggerhead shrike (Lanius ludovicianus) on an ice-covered fence after an ice storm, Anahuac National Wildlife Refuge, Texas, USA. January.
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Marie Read / Northern cardinal (Cardinalis cardinalis) male perched amid snow-covered branches, New York, USA, February.
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Marie Read / Common redpoll (Carduelis flammea), male perched in alder (Alnus rugosa) during a snowstorm in winter, New York, USA, January.
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Marie Read / American Robin (Turdus migratorius), feeding on winterberry (Ilex) fruits in winter, New York, USA, December.
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Andrew Parkinson / Brown hare (Lepus europaeus) adult running in wintery landscape. Derbyshire, UK, January.
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Andrew Parkinson / Brown hare (Lepus europaeus) adult running in wintery landscape. Derbyshire, UK, January.
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Juan Carlos Munoz / Flock of Common cranes (Grus grus) silhouetted at dusk, Hornborga, Sweden, April.
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Edwin Giesbers / Wide angle close-up of a European grey wolf (Canis lupus) in landscape, captive, Norway, February.
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Edwin Giesbers / Wide angle close-up of two European grey wolves (Canis lupus), captive, Norway, February.
