Adrian Davies / Orange coloured Seashore Lichens (Xanthoria parietina) and Sea Ivory (Ramalina siliquosa) UK, August

Tony Heald / Southern savanna (Rock) monitor {Varanus albigularis} panting Etosha NP, Namibia

Nigel Cattlin / Asian water monitor (Varanus salvator) basking on rock, on bank of River Kwai, Kanchanaburi, Thailand.

Fabio Pupin / Rock monitor, (Varanus albigularis), popping out of grass, Ruaha NP, Tanzania, January . Non-ex.

Steven David Miller / Rosenberg's goanna (Varanus rosenbergi) on rock. Species in decline on mainland and less so on Kangaroo Island. Flinders Chase National Park, South Australia. February.

Ashley Cooper / Control room hall of Krafla geothermal power station, which produces electricity as well as supplying hot water to heat buildings in the surrounding area. September 2010.

Steve O. Taylor (GHF) / Rock monitor (Varanus albigularis) Bwabwata Conservancy, Namibia.

Wim van den Heever / Two Rock monitors (Varanus albigularis) fighting at night, Phinda Private Game Reserve, South Africa.

Cheryl-Samantha Owen / West Coast Rock Lobster (Jasus lalandii) fishing permit. Kommetjie, South Africa. Permits are required for both recreational and commercial fishers. The quota for recreational fishers is 4 lobsters a...

Cyril Ruoso / Komodo Dragon (Varanus komodoensis) resting on rock, Rinca Island, Komodo National Park, Indonesia

Suzi Eszterhas / Nile Monitor (Varanus niloticus) climbing over rock pile, Mala Mala Reserve, South Africa

Philippe Clement / Nile monitor {Varanus niloticus} sitting on rock, Kruger NP, South Africa