Piotr Naskrecki / Grecian Shoemaker (Catonephele numilia) caterpillar with spikes, Monteverde Cloud Forest Reserve, Costa Rica

Robert Thompson / ** Shoemaker butterfly (Prepona omphale) portrait, controlled conditions.

Jiri Lochman / Shoemaker Frog (Neobatrachus sutor), Cape Range National Park, Ningaloo Coast UNESCO Natural World Heritage Site, Western Australia.

Thomas Marent / Grecian Shoemaker (Catonephele numilia) butterfly, Rio Claro Nature Reserve, Antioquia, Colombia

David Tipling / White-chinned petrel (Procellaria aequinoctialis) flying over breeding colony in tussock covered hillside, King Haakon Bay, South Georgia, January

David Tipling / White-chinned petrel (Procellaria aequinoctialis) flying over breeding colony in tussock covered hillside, King Haakon Bay, South Georgia, January

Brent Stephenson / White chinned petrel (Procellaria aequinoctialis) flying over sea, off Kaikoura, Canterbury, New Zealand, November, Vulnerable species.

Mike Potts / White chinned petrel (Procellaria aequinoctialis) in flight at sea, south of Snares Islands, New Zealand, March.

Brent Stephenson / White-chinned petrel (Procellaria aequinoctialis) in flight over the water, showing the upperwing. This bird has aberrant plumage with a white eye-ring. Kaikoura, Canterbury, New Zealand, February. Vu...

Brent Stephenson / White-chinned petrel (Procellaria aequinoctialis) in flight over the water, showing the underwing. Kaikoura, Canterbury, New Zealand, November. Vulnerable species.

Brent Stephenson / White-chinned petrel (Procellaria aequinoctialis) resting on the water. Note the worn wing coverts. Kaikoura, Canterbury, New Zealand, December. Vulnerable species.

Pete Oxford / Orange-banded Shoemaker Butterfly (Catonephele orites) female on leaf. Napo River bordering Yasuni National Park, Amazon Rainforest, Ecuador.

Pete Oxford / Orange-banded Shoemaker (Catonephele orites) male, Napo River, Yasuni National Park, Amazon, Ecuador

Michael & Patricia Fogden / Banded King Shoemaker (Prepona demophon) catterpillar anterior body expanded to expose false eye spots and mimic snake, note eggs of parasitic Tachinid fly, rainforest, Costa Rica

Thomas Marent / Grecian Shoemaker (Catonephele numilia) butterfly, Tatama National Park, Colombia

Piotr Naskrecki / Grecian Shoemaker (Catonephele numilia) caterpillar, Monteverde Cloud Forest Reserve, Costa Rica

Ben Cranke / White-chinned petrel (procellaria aequinoctialis) flying over Stromness Bay, South Georgia Island

Oriol Alamany / White-chinned petrel (Procellaria aequinoctialis) in flight near Stromness, South Georgia island, United Kingdom, November.