1. A.N. Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, Department of Behavior and Behavioral Ecology, Lenisky prospect 33, 119071 Moscow, Russia.
2. Federal Scientific Center of the East Asia Terrestrial Biodiversity Eastern Branch of Russian Academy of Sciences, pr. 100-letiya Vladivostoka 159, Vladivostok, 690022 Russia.
3. National Park “Land of the Leopard”, pr. 100-letiya Vladivostoka 127, Vladivostok, 690068 Russia.