License migration redundant

Cub polar bear is nursi..
© Brocken Inaglory
CC BY-SA 3.0

Polar bears fight at ni..
© Brocken Inaglory
CC BY-SA 3.0

Helarctos malayanus1.jpg
© KENPEI
CC-BY-SA-3.0

Media circus Polar bear..
© Florian Hurlbrink
CC BY-SA 4.0

Polar bear Flocke Aquap..
© Florian Hurlbrink
CC BY-SA 4.0

Buddybear JVA Moabit.JPG
© Matti Blume
CC BY 2.0 de

Polar bear with cubs.jpg
© Dmitry Rozhkov
CC BY 3.0

Tübingen-Bebenhausen074..
© Rainer Halama
CC BY 2.5

Kondolenzbekundung Zoo ..
© Times
CC BY-SA 3.0

Knut20081230-1.jpg
© Aconcagua (talk)
CC BY-SA 3.0

Knut20081230-2.jpg
© Aconcagua (talk)
CC BY-SA 3.0

Knut20081230-3.jpg
© Aconcagua (talk)
CC BY-SA 3.0

Knut20081230-4.jpg
© Aconcagua (talk)
CC BY-SA 3.0

Knut20081230-5.jpg
© Aconcagua (talk)
CC BY-SA 3.0

Knut20081230-6.jpg
© Aconcagua (talk)
CC BY-SA 3.0

Knut20081230-7.jpg
© Aconcagua (talk)
CC BY-SA 3.0

Knut20081230-8.jpg
© Aconcagua (talk)
CC BY-SA 3.0

Knut20081230-9.jpg
© Aconcagua (talk)
CC BY-SA 3.0

Ursus maritimus mother ..
© Brocken Inaglory
CC BY-SA 3.0

Berlin-BaoBao1-Asio.jpg
© Asio otus
CC BY-SA 3.0