Bruce Thomson / Sunset through Norfolk Island Pines, Norfolk Island, Australia. December, 2017.

Bruce Thomson / Red-tailed tropicbird (Phaethon rubricauda) sitting on eggs in nest, Norfolk Island, Australia.

Bruce Thomson / Fern forest in sheltered gully on southern side of island, Norfolk Island, Australia. December, 2017.

Bruce Thomson / Norfolk Island robin (Petroica multicolor) perching on branch, Norfolk Island, Australia.

Bruce Thomson / Norfolk Island parakeet (Cyanoramphus cookii) perching in garden shrub, Norfolk Island, Australia.

Bruce Thomson / Masked booby (Sula dactylatra fullagari) at nesting site, Norfolk Island, Australia.

Bruce Thomson / Masked booby (Sula dactylatra fullagari) guarding chicks at nesting site, Norfolk Island, Australia.

Bruce Thomson / White tern (Gygis alba) returning to nest with fish, Norfolk Island, Australia.

Bruce Thomson / Norfolk Island parakeet (Cyanoramphus cookii) feeding in garden, Norfolk Island, Australia.

Bruce Thomson / Kermadec petrel (Pterodroma neglecta) sitting on nest in rocky crevice, Norfolk Island, Australia.

Bruce Thomson / Black noddy (Anous minutus) perching in tree, Norfolk Island, Australia.

Bruce Thomson / Grey ternlet (Procelsterna cerulea) at nesting site on cliff face, Norfolk Island, Australia.