Jouan & Rius / Baobab / Gourd trees (Adansonia gregorii) in grassland / savanna habitat, Kimberley, Western Australia

Alan Watson / Baobab tree (Adansonia rubrostipa) and Sogno (Didierea madagascariensis) in spiny forest, Reniala Reserve, Madagascar

Vincent Grafhorst / Grandidier's Baobab (Adansonia grandidieri) under rainbow, Morondava, Madagascar

Jouan & Rius / Avenue of Boabab trees (Adansonia grandidieri) during raining season, Baobabs Avenue, Morondava, West Madagascar,

Vincent Grafhorst / Baobab (Adansonia digitata), Gweta, Makgadikgadi Pans, Botswana

Inaki Relanzon / Looking up at Baobab (Andasonian grandidieri) on Baobabs Avenue, Morondava, West Madagascar

Inaki Relanzon / Looking up at Baobabs (Andasonian grandidieri) on Baobabs Avenue, Morondava, West Madagascar

Warwick Sloss / Baobab trees {Adansonia grandidieri} Morondava, Western Madagascar, on location for BBC Planet Earth 'Forests'

Warwick Sloss / Flower on Bottle baobab tree {Adansonia rubrostripa} Kirindy forest, Madagascar. Note - on location for BBC Planet Earth 'Forests'

Nick Garbutt / Baobab trees {Adansonia grandidieri} Western Madagascar

Pete Oxford / Boabab trees (Adansonia grandidieri) silhouetted at sunset. Madagascar

Gerry Ellis / Baobab (Adansonia digitata) tree silhouetted at sunset, Tanzania