A snow leopard near a marking spot in early March. Trail camera photo, Sayano-Shushensky Biosphere Reserve

A snow leopard in the reserve. Trail camera photo, March 2018

A snow leopard in the Sayano-Shushensky Biosphere Reserve. March 2018

A snow leopard leaving scratch marks. Trail camera photo, February 2018

A trail camera photo of a snow leopard. March 2018

A snow leopard near a urine-marking spot. Trail camera photo, March 2018

A snow leopard near a urine-marking spot. Trail camera photo, March 2018

A snow leopard near a marking spot in early March 2018. Trail camera photo

Snow leopards are identified by the pattern of black spots on their head, body and tail. Trail camera photo, 2018

A night-time trail camera photo of a snow leopard in the Sayano-Shushensky Biosphere Reserve

A night-time photo of a snow leopard in the Sayano-Shushensky Biosphere Reserve

A night-time photo of a snow leopard in the reserve. April 2018

A trail camera photo of a snow leopard. March 2018

A snow leopard in the Sayano-Shushensky Biosphere Reserve. March 2018

Photos of snow leopards captured by trail cameras in Sayano-Shushensky Biosphere Reserve

A snow leopard near a urine-marking spot. Trail camera photo, March 2018

Trail cameras are set up near marking spots and on animal paths to get full-size side-view shots of the animals Snow leopard photos from trail cameras in the Sayano-Shushensky Biosphere Reserve