Olga Kamenskaya / Siberian chipmunk (Eutamias sibiricus) feeding, Lake Baikal, Siberia, Russia. April.

Olga Kamenskaya / Siberian chipmunk (Eutamias sibiricus) feeding, Lake Baikal, Siberia, Russia. April.

Staffan Widstrand / Wild Wonders of China / Siberian chipmunk (Tamias sibiricus) sitting on a branch, Wu Ying District Nature Reserve, near Yichun city, Heilongjiang Province, China

Valeriy Maleev / Siberian chipmunk (Tamias sibiricus) Vladivostok, Primorsky Krai, Far East Russia. May.

Valeriy Maleev / Siberian chipmunk (Tamias sibiricus) Vladivostok, Primorsky Krai, Far East Russia. May.

Valeriy Maleev / Siberian chipmunk (Tamias sibiricus) with cheek pouches full, Vladivostok, Primorsky Krai, Far East Russia. October.

Valeriy Maleev / Siberian chipmunk (Tamias sibiricus) feeding on flowers, Vladivostok, Primorsky Krai, Far East Russia. May.

Valeriy Maleev / Siberian chipmunk (Tamias sibiricus) Vladivostok, Primorsky Krai, Far East Russia. May.

Cyril Ruoso / Siberian Chipmunk (Tamias sibiricus) introduced species, up in tree, near Paris, France September

Cyril Ruoso / Siberian Chipmunk (Tamias sibiricus) introduced species, up in tree, near Paris, France September

Cyril Ruoso / Siberian Chipmunk (Tamias sibiricus) introduced species, up in tree, near Paris, France September

Cyril Ruoso / Nutria / Coypu (Myocastor coypus) introduced species, in vegetation, France

Aflo / Siberian chipmunk (Eutamias sibiricus) feeding, Kitoushi Forest Park, Hokkaido, Japan, September.

Aflo / Siberian chipmunk (Eutamias sibiricus) feeding, Kitoushi Forest Park, Hokkaido, Japan, September.

Aflo / Common chipmunk (Eutamias sibiricus) calling, Otaru, Hokkaido, Japan, September.

Aflo / Common chipmunk (Eutamias sibiricus) feeding, Otaru, Hokkaido, Japan, September.

Aflo / Common chipmunk (Eutamias sibiricus) sitting on leaf, Otaru, Hokkaido, Japan, September.

Aflo / Siberian chipmunk (Tamias sibiricus lineatus) portrait in in garden in spring, Hokkaido, Japan, May.

Aflo / Siberian chipmunk (Tamias sibiricus lineatus) feeding on flower in garden in spring, Hokkaido, Japan, May.

Aflo / Siberian chipmunk (Tamias sibiricus lineatus) feeding in garden in spring surrounded by flowers, Hokkaido, Japan, May.

Aflo / Siberian chipmunk (Tamias sibiricus lineatus) feeding in garden in spring surrounded by flowers, Hokkaido, Japan, May.

Aflo / Siberian chipmunk (Eutamias sibiricus) stuffing food into its cheek pouches, Biei, Mount Tokachi, Hokkaido, Japan, August.

Vladimir Medvedev / Siberian chipmunk (Eutmias sibiricus), Kedrovaya Pad Nature Reserve, Primorsky Krai, Far East Russia, May

Vladimir Medvedev / Siberian chipmunk (Eutmias sibiricus), Kedrovaya Pad Nature Reserve, Primorsky Krai, Far East Russia, May.

Vladimir Medvedev / Siberian chipmunk (Eutmias sibiricus), Kedrovaya Pad Nature Reserve, Primorsky Krai, Far East Russia, May.

Vladimir Medvedev / Siberian chipmunk (Eutmias sibiricus), Kedrovaya Pad Nature Reserve, Primorsky Krai, Far East Russia, May.

Vladimir Medvedev / Siberian chipmunk (Eutmias sibiricus), Kedrovaya Pad Nature Reserve, Primorsky Krai, Far East Russia, April.

Aflo / Siberian chipmunk (Tamias sibiricus lineatus) feeding, sitting on rock, Hokkaido, Japan, September

Aflo / Siberian chipmunk (Tamias sibiricus lineatus) Shikaribetsu, Hokkaido, Japan

Nature Production / Ezo Chipmunk (Tamias sibiricus lineatus) Mt. Daisetsu, Hokkaido, Japan, September

Nature Production / Ezo Chipmunk (Tamias sibiricus lineatus) two juveniles on rock, Mt. Daisetsu, Hokkaido, Japan, August

Nature Production / Ezo Chipmunk (Tamias sibiricus lineatus) adult interacting with young, Mt. Daisetsu, Hokkaido, Japan, August

Nature Production / Ezo Chipmunk (Tamias sibiricus lineatus) with its mouth full and buccal pouch swollen with plants and seeds, Mt. Daisetsu, Hokkaido, Japan, August

Nature Production / Ezo Chipmunk (Tamias sibiricus lineatus) with its mouth full and buccal pouch swollen with seeds, Mt. Daisetsu, Hokkaido, Japan, August

Nature Production / Ezo chipmunk (Tamias sibiricus lineatus) foraging amongst fallen leaves, Mt. Daisetsu NP, Hokkaido, Japan, October

Jane Burton / Fledgling Tawny Owlet (Strix aluco) and young Siberian Chipmunk (Eutamias / Tamias sibiricus).

Laurent Geslin / Siberian chipmunk / Striped squirrel (Tamias sibiricus) climbing down tree trunk, in urban park, Paris, France.

Laurent Geslin / Siberian chipmunk / Striped squirrel (Tamias sibiricus) climbing down tree trunk, in urban park, Paris, France.

Konstantin Mikhailov / Siberian chipmunk {Tamias sibiricus} Ussuriland, Primorsky krai, Far East Russia, October 2006.

Nature Production / Ezo Chipmunk {Tamias / Eutamias sibiricus lineatus} carrying materials in its mouth to build a nest, Hokkaido, Japan

Konstantin Mikhailov / Siberian chipmunk {Eutamias sibiricus} Siberia, Russia

Konstantin Mikhailov / Siberian chipmunk {Eutamias sibiricus} Siberia, Russia

Konstantin Mikhailov / Siberian chipmunk {Eutamias sibiricus}, Siberia, Russia

Konstantin Mikhailov / Siberian chipmunk {Eutamias sibiricus} Siberia, Russia

Andrew Parkinson / Siberian chipmunk {Eutamias sibiricus} on hut, living wild in Hampshire, UK

Andrew Parkinson / Siberian chipmunk {Eutamias sibiricus} foraging, living wild in Hampshire, UK

Andrew Parkinson / Siberian chipmunk {Eutamias sibiricus} foraging, living wild in Hampshire, UK

Andrew Parkinson / Siberian chipmunk {Eutamias sibiricus} in tree, living wild in Hampshire, UK