Petra Wegner / Rough Collie, bitch aged 4 years in straw

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

Brian Bevan / Long tailed tit (Aegithalos caudates) nest building, Bedfordshire, England, UK, April.

Dave Bevan / Bank vole (Myodes glareolus) feeding from a bird feeder anlongside a Coal tit (Periparus ater) and Blue tit (Cyanistes caeruleus), Carmarthenshire, Wales, UK, September.

Dave Bevan / Slow motion clip of a Blue tit (Cyanistes caeruleus) flying to nest box, enters to feed nestlings and leaves, Carmarthenshire, Wales, UK, June.

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.

Colin Varndell / Long-tailed tit (Aegithalos caudatus) profile portrait, Dorset, UK February

Ernie Janes / Blue tit (Cyanistes caeruleus) hanging on Pussy willow branch, Norfolk, England, UK, April.

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

Niall Benvie,Niall Benvie / Great Tit (Parus major) on barbed wire (field studio). Scotland, December.

Sven Zacek,Sven Zacek / Great Tit (Parus major) in flight. Southern Estonia, December.