Nick Garbutt / Jaguar (Panthera onca palustris), male hunting amongst tree roots at edge of the Cuiaba River. Three Brothers, Porto Jofre, northern Pantanal, Mato Grosso, Brazil. August 2017.

Bernard Castelein / Beech tree (Fagus sylvatica) showing roots, Peerdsbos, Brasschaat, Belgium

Chien Lee / Buttress roots on rainforest tree, Mulu National Park, Sarawak, Borneo, Malaysia

Cyril Ruoso / Fig tree (Ficus sp) in rainforest, Bukit Barisan National Park, Sumatra, Indonesia.

George Sanker / Purple gallinule (Porphyrula martinica) in mangrove swamp. Everglades National Park, Florida, USA. March.

Chien Lee / White Lauan (Parashorea malaanonan) buttress roots, Danum Valley Field Center, Sabah, Borneo, Malaysia

Juergen Freund / Banded sea kraits (Laticauda colubrina) around the roots of mangrove tree, split level. Mali Island, Macuata Province, Fiji, South Pacific.

Juergen Freund / Split level of large Purple crown jellyfish (Netrostoma setouchina) in shallows of mangroves. Mali Island, Macuata Province, Fiji, South Pacific.

Pascal Tordeux,Pascal Tordeux / Lime tree in a field of carrots, Sissone, Picardy, France, June

Luis Quinta / Looking up root system and tree trunk in Amazon forest, Rio Negro, Brazil, December 2009.

Pete Oxford / Buttress roots (Ficus sp.)in rainforest, Cocaya River, eastern Amazon, Ecuador

Pete Oxford / Buttress roots, Mapari, Rupununi, Guyana