A man and his wolf pack

Wolf researcher Werner Freund bites into a deer cadaver next to a Mongolian wolf in an enclosure at Wolfspark Werner Freund, in Merzig in the German province of Saarland January 24, 2013. (Lisi Niesner/Reuters)

Wolf researcher Werner Freund bites into a deer cadaver next to a Mongolian wolf in an enclosure at Wolfspark Werner Freund, in Merzig in the German province of Saarland January 24, 2013. (Lisi Niesner/Reuters)