SCOTLAND: The Big Picture / Red squirrel, (Sciurus vulgaris), silhouetted on stump at dawn, Scotland, UK.March

SCOTLAND: The Big Picture / River Spey on winter's dawn, Cairngorms National Park, Scotland, UK.January

Espen Bergersen / Aerial shot of a Killer whale (Orcinus orca) spyhopping several times close to land, with people watching and taking pictures, Sommaroy, Troms. Norway, January.

Espen Bergersen / Aerial shot of a Humpback whale (Megaptera novaeangliae) diving and showing tail fluke, Troms, Norway, January.

Espen Bergersen / Aerial shot of two Killer whales (Orcinus orca) spyhopping, with a snowy landscape in the background, Skjervoy, Troms, Norway, December.

Espen Bergersen / Aerial shot of a small pod of Killer whales (Orcinus orca) at surface, with snowy landscape in the background, Skjervoy, Troms, Norway, December.

Wim van den Heever / King penguins (Aptenodytes patagonicus) at sunrise. Two males and a female, with the males fighting for the attention of the female. Falklands Islands. 2018 Wildlife Photographer of the Year LUMIX Peo...

Ross Hoddinott / Marbled white butterfly (Melanargia galathea) resting among tall grasses and bathed in warm, early morning sunlight, Volehouse Moor, Devon, UK. July.

Ross Hoddinott / Marbled white butterfly (Melanargia galathea) roosting among tall grasses at sunrise and bathed in warm, early morning sunlight, Volehouse Moor, Devon, UK. July.

Marie Read / Common loons (Gavia immer), two adults and chick swimming on a misty lake in early morning, Michigan, USA. June.

David Pattyn / Landscape of Hills at the Melnik earth pyramids at sunrise, Foothills of Pirin Mountains, South West Bulgaria, April

Andy Rouse / African Lion (Panthera leo) male at sunrise, Masai Mara, Kenya