Jeff Rotman / Close-up of skin of a Hieroglyphic hawkfish (Cirrhitus rivulatus). Cocos Island, Costa Rica, Pacific Ocean.

Robert Thompson / Engrailed moth (Ectropis crepuscularia) camouflaged on tree trunk, River Bann Banbridge, County Down, Northern Ireland.

Robert Thompson / Engrailed moth (Ectropis crepuscularia) camouflaged on tree trunk, River Bann Banbridge, County Down, Northern Ireland.

Robert Thompson / Engrailed moth (Ectropis crepuscularia) camouflaged on tree trunk, River Bann Banbridge, County Down, Northern Ireland.

Robert Thompson / Engrailed moth (Ectropis bistortata) resting, Annagariff Wood National Nature Reserve, Peatlands Park, County Armagh, Northern Ireland, UK. April.

John Abbott / Hieroglyphic cicada (Neocicada hieroglyphica) flying, Tuscaloosa County, Alabama, USA Controlled conditions. June

Jack Dykinga / Grinding stones in Mayan Ruins, Oxkintok, one of the oldest cities in the Yucatan with hieroglyphic inscriptions showing some of the earliest dates known in the Yucatan.

Jack Dykinga / Mayan Ruins at Oxkintok, one of the oldest cities in the Yucatan with hieroglyphic inscriptions showing some of the earliest dates known in the Yucatan. Mexico

PREMAPHOTOS / Hieroglyphic moth (Diphthera festiva) caterpillar, warning colouration, eating a leaf in tropical dry forest, Costa Rica.

Fred Bavendam / Hieroglyphic Hawkfish (Cirrhitus rivulatus), Galapagos Islands, Ecuador

Peter Scoones / Giant / Hieroglyphic Hawkfish (Cirrhitus rivulatus) Galapagos Islands.

Staffan Widstrand / Hieroglyphic bas relief stone carving on side of monument with animals and birds, Egypt, North Africa