Juergen Kurlvink:
Berlin Zoo: polar bear knut 15.936.09
Juergen Kurlvink:
Berlin Zoo: Eisbär Knut + Ziehvater
Juergen Kurlvink:
Berlin Zoo: polar bear knut + papa doerflein 12.447.07
Juergen Kurlvink:
Berlin Zoo: double icebaer 58.009.01