Russian Flying Squirrel Collection

Siberian flying squirrel (Pteromys volans orii) flying directly over photographer. Hokkaido, Japan. February

Japanese dwarf flying squirrel (Pteromys volans orii) gliding through forest canopy during light snowfall. Hokkaido, Japan. February

Siberian flying squirrel (Pteromys volans orii) feeding on Sakhalin fir tree. Hokkaido, Japan. March

Female Siberian flying squirrel (Pteromys volans orii) sitting at entrance to nest. Hokkaido, Japan. February

Japanese dwarf flying squirrel (Pteromys volans orii) male sitting in tree, portrait. Hokkaido, Japan. March

Male Siberian flying squirrel (Pteromys volans orii) attempting to enter nest with female inside during reproductive season but stopped mid-way then rejected. Hokkaido, Japan. March

Composite image showing Siberian flying squirrel (Pteromys volans orii) defecating for duration of about twenty seconds after emerging from nest to forage. Hokkaido, Japan. March

Split-second prior to Siberian flying squirrel (Pteromys volans orii) landing on tree, adjusting its attitude in mid-flight toward relatively vertical position to reduce speed

Pair of Siberian flying squirrel (Pteromys volans orii) sharing nest in tree hole in preparation for reproductive season. Hokkaido, Japan. March

Pair of Japanese dwarf flying squirrels (Pteromys volans orii) during the reproductive season, on branch nlooking down, Hokkaido, Japan. The female is on the left, male right

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