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A Siberian flying squirrel climbing up a tree, Espoo, Finland
Pine Siskin (Spinus pinus) in Northern Illinois
Northern Chicago River Riverwalk on North Branch Chicago River in Chicago, Illinois
Pine Siskin (Spinus pinus) in Northern Illinois
Northern Cardinal (Cardinalis cardinalis) male on Flowering Serviceberry tree (Amelanchier arborea) Marion County, Illinois

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