Ismaele Tortella / Three Rock ptarmigan (Lagopus muta) feeding in winter plumage, city of Tromso in the background, northern Norway, March 2019.

Ismaele Tortella / Aerial tracking shot over Tromso in the winter, northern Norway, March 2019.

Ismaele Tortella / Svalbard reindeer (Rangifer tarandus platyrhynchus) feeding in snow, Svalbard, Norway, March.

Ismaele Tortella / Tracking shot of a Whooper swan (Cygnus cygnus) family walking, Lofoten, northern Norway, August.

Morley Read / Aerial shot tracking over a 1800m high tepui, Nangartiza Valley, Zamora Chinchipe Province, Ecuador, 2018. (non-ex)

Morley Read / Reventador Volcano erupting at dawn, Ecuador, 2017. The mountain has been in a constant state of eruption since 2002. (non-ex)

Morley Read / Timelapse of the summit of Cotopaxi Volcano (5,897m) after a heavy snowfall, showing vapour emanating from fumaroles, Ecuador, 2018. (non-ex)

Morley Read / Panning time-lapse along the Eastern Cordillera of the Andes, from the snowcapped peak of Antisana Volcano to Sincholagua Volcano, seen from the slopes of Cotopaxi Volcano, 2018. (non-ex)

Morley Read / Summit of Cotopaxi Volcano (5,897m) after a heavy snowfall, showing vapour emanating from fumaroles, Ecuador, 2018. (non-ex)

Jami Tarris / Golden Eagle (Aquila chrysaetos) huntress, Altai Mountains, Bayan Ulgii, Mongolia

Juergen & Christine Sohns / African Lion (Panthera leo) juvenile male, Mountain Zebra National Park, South Africa

Juergen & Christine Sohns / Mountain Zebra (Equus zebra), Mountain Zebra National Park, South Africa