Nick Garbutt / Adult Helmet Vanga (Euryceros prevostii) incubating a clutch of 3 eggs. Nest constructed in the fork of a Bird's Nest Fern (Asplenium sp.) Masoala National Park, north east Madagascar.

Nick Garbutt / Helmet Vanga (Euryceros prevostii) nest including a clutch of 3 eggs. Nest constructed in the fork of a Bird's Nest Fern (Asplenium sp.) Masoala National Park, north east Madagascar.

Cyril Ruoso / Bird's Nest Fern (Asplenium nidus) on a granite boulder, Yakushima Island, Japan

Cyril Ruoso / Bird's Nest Fern (Asplenium nidus) hanging on a granite boulder, Yakushima Island, Japan

Sebastian Kennerknecht / Bird's Nest Fern (Asplenium nidus) pair in tree, Tawau Hills Park, Sabah, Borneo, Malaysia

Piotr Naskrecki / Weeping Spleenwort (Asplenium flaccidum) epiphytes, New Zealand

Chien Lee / Bird's Nest Fern (Asplenium nidus) in montane forest of Gunung Salak, Indonesia

Chien Lee / Bird's Nest Fern (Asplenium nidus) in montane forest of Gunung Salak, Indonesia

Murray Cooper / Bird's Nest Fern (Asplenium sp) growing on forest floor, Amazon, Ecuador

Thomas Marent / Bird's Nest Fern (Asplenium nidus) in tropical rainforest, Masoala National Park, Madagascar

Thomas Marent / Bird's Nest Fern (Asplenium sp) in tropical rainforest with buttress root, Nosy Mangabe island, Masoala National Park, Madagascar

Thomas Marent / Madagascar Moon Moth (Argema mittrei) with bird's nest fern, Andasibe-Mantadia National Park, Madagascar