Tim Laman / Strangler Fig (Ficus sp.) that has killed its host tree long ago. The host has rotted away, leaving a hollow center. Lowland rainforest in Borneo. Gunung Palung National Park, Indonesia.

Pete Oxford / Madagascar Moon Moth (Argema mittrei) male on Jamun (Eugenia jambolana) leaves in the eastern highlands south of Antananarivo, Madagascar

Nick Upton / Lisaku Park Forest from above, a mix of mature Fir (Abies sp) trees, Birch (Betula sp) and Eurasian aspen (Populus tremula). Forest host to Siberian flying squirrel (Pteromys volans). Estonia, April 2...

Nick Upton / Lisaku Park Forest from above, a mix of mature Fir (Abies sp) trees, Birch (Betula sp) and Eurasian aspen (Populus tremula). Forest host to Siberian flying squirrel (Pteromys volans). Estonia, April 2...

Ingo Arndt / Strangler fig tree (Ficus microcarpa) view up dead host tree inside strangling air roots, Tropical Rainforest, Christmas Island, Indian Ocean, Australian Territory

Tim Laman / Strangler fig tree (Ficus stricta) with roots completely covering host tree trunk within, Gunung Palung National Park, Borneo.

Alex Hyde / Strangler fig (Ficus zarazalensis) aerial roots. In this instance the original host tree that the Strangler fig was climbing has been killed and rotted has away, leaving a hollow space in the middle....

Alex Hyde / Looking through the aerial roots of a Strangler fig (Ficus zarazalensis) the original host tree that the Fig was climbing has been killed and has rotted away, leaving a hollow space in the middle, spe...

Piotr Naskrecki / Fig (Ficus sp) tree strangling host tree, Suriname

Jabruson / 'Ngoumou' strangler Fig tree (Ficus sp) wrapped around host tree, which it will eventually kill. The latex (Idjoro) is used for killing birds by local people, hunters roll the latex onto sticks which...

Jabruson / 'Ngoumou' strangler Fig tree (Ficus sp) wrapped around host tree, which it will eventually kill. The latex (Idjoro) is used for killing birds by local people, hunters roll the latex onto sticks which...

Nick Garbutt / Egg case made by a female Giraffe-necked weevil (Trachelophorus giraffa) from the leaf of favourite host tree (Dichaetanthera cordifolia), a single egg is laid inside, Ranomafana National Park, easter...