Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) dominant male silverback 'Makumba' aged 32 years climbing down a tree, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republic. December 2011.

Peter Cairns / 2020VISION / Three Rock ptarmigan (Lagopus mutus) perched on rock, camouflaged against snow in winter plumage, Cairngorms NP, Highlands, Scotland, UK, February