Tui De Roy / Atlantic yellow-nosed albatross (Thalassarche chlororhynchos). nesting amid Blechnum palmiforme tree ferns. Gough Island, Gough and Inaccessible Islands UNESCO World Heritage Site, South Atlantic.

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.

Tui De Roy / Atlantic yellow-nosed albatross (Thalassarche chlororhynchos). nesting on fern slopes. Gough Island, South Atlantic

Tui De Roy / Atlantic yellow-nosed albatross (Thalassarche chlororhynchos) nesting on fern slopes. Gough Island, Gough and Inaccessible Islands UNESCO World Heritage Site, South Atlantic.

Ingo Arndt / Bird's Nest Fern (Asplenium nidus) and view of east coast at sunset, Christmas Island National Park, Christmas Island, Indian Ocean, Australian Territory

Cyril Ruoso / Bird's nest ferns (Asplenium nidus) on a granite boulder, Yakushima island, Japan.

Cyril Ruoso / Bird's nest fern (Asplenium nidus) growing on a granite boulder, Yakushima Island, Japan, November.

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