License migration redundant

Polar bear taxidermied...
© Jan Arkesteijn
CC-BY-SA-3.0

Taxidermied polar bear ..
© Unknown
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Kragenbär.jpg
© Flominator
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GaoGao01.jpeg
© Mike R
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MeiSheng01.jpg
© Mike R
CC-BY-SA-3.0

GaoGao02.jpeg
© Mike R
CC-BY-SA-3.0

MeiSheng02.jpeg
© Mike R
CC-BY-SA-3.0

GaoGao03.jpeg
© Photo taken by User:..
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PolarBear01.jpeg
© No machine-readable ..
CC-BY-SA-3.0

PolarBear02.jpeg
© No machine-readable ..
CC-BY-SA-3.0

Bear (Ursus arctos) in ..
© No machine-readable ..
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Ours Blanc2.jpg
© No machine-readable ..
CC-BY-SA-3.0

Schloss-langenburg-baer..
© No machine-readable ..
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Polarbeartrack-1.jpg
© No machine-readable ..
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Polarbearcup-1.jpg
© No machine-readable ..
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Isbjoern hoved stor.jpg
© Unknown
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Isbjoern undervands sto..
© Unknown
CC-BY-SA-3.0

En-us-bear.ogg
© Dvortygirl
CC-BY-SA-3.0

Bärengesicht 2000-11-21..
© Ansgar Walk
CC BY 2.5

Bärenmutter & Junge..
© Ansgar Walk
CC BY 2.5