Tim Fitzharris / Siberian Tiger (Panthera tigris altaica) running, native to Russia

Petra Wegner / Siberian forest cat kitten walking, 7 weeks, white coat

Petra Wegner / Neva Masquarade / Siberian Forest Cat, portrait of seal-tabby-point coated tomcat, sitting on log in snow, with picket fence behind

Petra Wegner / Neva Masquarade / Siberian Forest Cat, blue-silver-tabby-point coated, sitting on log in snow, with picket fence behind

Tim Fitzharris / Siberian Tiger (Panthera tigris altaica) yawning, endangered, native to Siberia

Tim Fitzharris / Siberian Tiger (Panthera tigris altaica) walking through shallow river, Asia

Tim Fitzharris / Siberian Tiger (Panthera tigris altaica) walking through tall grass along water's edge

Tim Fitzharris / Siberian Tiger (Panthera tigris altaica) leaping across river, Asia

Konrad Wothe / Siberian Tiger (Panthera tigris altaica) in snow, Siberian Tiger Park, Harbin, China

Konrad Wothe / Siberian Tiger (Panthera tigris altaica) walking in snow, Siberian Tiger Park, Harbin, China

Konrad Wothe / Siberian Tiger (Panthera tigris altaica) in snow fall, Siberian Tiger Park, Harbin, China

Konrad Wothe / Siberian Tiger (Panthera tigris altaica) portrait in light snowfall, Siberian Tiger Park, Harbin, China