Tundra swan (Cygnus columbianus), Calgary, Prince's Island Park, Alberta, Canada
Schlüsselwörter
anatidae,
anseriformes,
snow,
winter,
animal,
aves,
bird,
cold,
ecology,
ecosystem,
environment,
environmentalism,
natural,
nature,
season,
cygnet,
weather,
wild,
wild animal,
wild bird,
wildlife,
winterly
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