Diane McAllister,Diane McAllister / Japanese Macaque (Macaca fuscata) male and female huddle together during a light snowfall in Jigokudani Japan, January

Ben Hall / 2020VISION / Curlew (Numenius arquata) in flight at dusk, Peak District NP, UK, March 2011. Did you know? Curlews spend their winters on estuaries and tidal flats, but move inland to fens, moors, bogs and heathlan...

Pete Cairns / Frost laden silver birch on winters day, Glenfeshie, Cairngorms National Park, Scotland, UK 2006

David Tipling / Goldfinch {Carduelis carduelis} on Teasel, cold winters morning, Kent, UK.

Theo Bosboom / Jagged rock layers in the snow on a cold winters day at Persfjord, Varanger peninsual, Norway. These rocks are sedimentary rocks including mudstone, sandstones, dolomite and limestone. March 2017

Ashley Cooper / Fairfield from Red Screes in winters snow, Lake District, England, UK. December 2009

Kirkendall-Spring / The Lamar River mostly frozen by winters cold in the Lamar Valley of Yellowstone National Park, Wyoming, USA. January 2018.

Lynn M. Stone / Canvasback (Aythya valisinereria) drake, paddling on Choptank River, where the species winters, Chesapeake Bay Eastern Shore, Maryland, USA. February.

Lynn M. Stone / Lesser Scaup (Aythya affinis) drake, paddling on Choptank River, where both species winters Chesapeake Bay Eastern Shore, Maryland, USA. February.

Lynn M. Stone / Canvasback duck (Aythya valisinereria) drake paddling on Choptank River, where the species winters, Chesapeake Bay Eastern Shore, Maryland, USA. February.

Lynn M. Stone / Canvasback duck (Aythya valisineria) female in flight over Choptank River, where the species winters, Chesapeake Bay Eastern Shore, Maryland, USA. February.

Jeff Vanuga / Cowboys herding horses on a winters day, Shell, Wyoming, USA, Model released