The two snow leopards were caught by cameras in Uzbekistan's Hissar Nature Reserve in November and December 2013 by researchers working with WWF and Panthera.
The Hissar reserve, Uzbekistan's largest, lies on the westernmost edge of the snow leopard's known habitat, scientists say.
Snow leopard cubs at a facility in the Kyrgyz capital, Bishkek.
Snow leopards at a rehabilitation center in the Issyk-Kul region of Kyrgyzstan