Terry Whittaker / 2020VISION / Pine marten (Martes martes) adult female and two 4-5 month kits in caledonian forest, The Black Isle, Highlands, Scotland, UK, July, photographed by camera trap.

Gerrit Vyn / Canada Goose (Branta canadensis) brooding a recently hatched chick at the nest. Tompkins County, New York, USA

Sue Flood / Doug Allan filming Humpback whale mother and calf (Megaptera novaeangliae), Kingdom of Tonga, South Pacific, for Planet Earth, Sept 2005.

Steven Kazlowski / Moose (Alces alces) cow with a newborn calves resting in spring vegetation. Tony Knowles Coastal Trail, Anchorage, south-central Alaska, May.

Steven Kazlowski / Moose (Alces alces) cow with a newborn calves resting in spring vegetation. Tony Knowles Coastal Trail, Anchorage, south-central Alaska, May.

Danny Green / Brown Bear (Ursus arctos) and cubs in meadow. Finland, Europe, June.

Danny Green / Brown Bear (Ursus arctos) and cubs. Finland, Europe, June.

Carol Walker / Wild Horses / mustangs, herd with stallion following mares and foals, McCullough Peaks Herd Area, northern Wyoming, USA, June

Pete Oxford / Kelp goose (Chloephaga hybrida malvinarum) female with goslings. Kepple Island. Falkland Islands

David Woodfall / Little tern (Sternula albifrons) at nest carrying Sandeel to feed newly hatched chicks, Northumberland, UK

Hanne & Jens Eriksen / Red throated diver {Gavia stellata} family on water, Iceland

Michel Poinsignon / Great crested grebe (Podiceps cristatus) pair feeding chicks on nest, Lorraine, France