Paul Hobson / Siberian tit (Parus cinctus) perched on snow dusted pine, Finland. March.

Peter Hering / Siberian Tit (Poecile cinctus), Finnmark, Norway

Johannes Melchers/ BIA / Siberian Tit (Poecile cinctus), Finnmark, Norway

Ralph Martin/ BIA / Siberian Tit (Poecile cinctus) in snowfall, Finland

Pal Hermansen / Siberian tit (Poecile cinctus) perched on branch. Finnmark, Norway. April.

Pal Hermansen / Siberian tit (Poecile cinctus) perched on branch. Finnmark, Norway. April.

Staffan Widstrand / Siberian tit / Grey-capped Chickadee (Parus / Poecile cinctus lapponicus) Pasvik National Park, Arctic Norway

Jussi Murtosaari / Siberian tit (Poecile cinctus) on snowy tree trunk. Kuusamo, Northern Ostrobothnia, Finland. February.

Danny Green / Siberian tit (Poecile cinctus) perched on a banch, Northern Finland, April.

Erlend Haarberg / Siberian tit (Poecile cinctus), Jokkmokk, Sweden, October.

Erlend Haarberg / Siberian tit (Poecile cinctus), Muddus National Park, Swedish Lapland, Laponia World Heritage Site, Sweden, November

Erlend Haarberg / Siberian tit (Poecile cinctus), Muddus National Park, Swedish Lapland, Laponia World Heritage Site, Sweden, November