SCOTLAND: The Big Picture / Crested tit (Lophophanes cristatus) perched above pine forest with a series of small lochans in background, Cairngorms National Park, Scotland, UK, December 2014.

SCOTLAND: The Big Picture / Crested tit (Parus cristatus) backlit on lichen-covered branch, Inshriach Forest, Scotland, UK, January.January

SCOTLAND: The Big Picture / Crested tit (Lophophanes cristatus) silhouetted against sunset bokeh. Cairngorms National Park, Highlands, Scotland, UK, December.

SCOTLAND: The Big Picture / Crested tit (Lophophanes cristatus) at sunset silhouetted against setting sun. Cairngorms National Park, Highlands, Scotland, UK, October.

Danny Green / Crested tit (Lophophanes cristatus) perched on snowy conifer branch, Scotland, March

Markus Varesvuo / Crested Tit (Lophophanes cristatus) in winter, Finland, October

Ben Hall / Crested tit (Lophophanes cristatus) clinging to lichen covered tree in snowfall, Scotland, UK February

Markus Varesvuo / Crested tit (Lophophanes cristatus) perched on frosted twig. Posio, Finland, January.

Rolf Nussbaumer / Crested Tit {Lophophanes cristatus} adult on frozen branch in winter, minus 15 Celsius, Switzerland

Rolf Nussbaumer / Crested tit {Lophophanes cristatus} Switzerland.

Jose B. Ruiz / Crested tit flies to nest hole {Lophophanes cristatus} Spain

Geoff Simpson / Crested tit {Lophophanes cristatus} winter Scotland