Anup Shah / Young Eastern common chimpanzee {Pan troglodytes schweinfurtheii} Opal's baby, Mahale NP, Tanzania.
01140712
Anup Shah / Young Eastern common chimpanzee {Pan troglodytes schweinfurtheii} Opal's baby, Mahale NP, Tanzania.
01422478
Juergen Freund / Andamooka opals held in hand, South Australia, June 2011
01131067
Luiz Claudio Marigo / Opal rumped tanager {Tangara velia} Brazil
01635826
Bernard Castelein / Viviparous lizard (Zootoca vivipara), male basking on lichen covered rock. Cote d'Opale / Opal Coast, France. May.
01635825
Bernard Castelein / Viviparous lizard (Zootoca vivipara), male on lichen covered rocks, portrait. Cote d'Opale / Opal Coast, France. May.
01572137
Philippe Clement / Waves crashing against Vauban's Fort Mahon at Ambleteuse during winter storm along the North Sea coast, Côte d'Opale / Opal Coast, France. January 2017
01468317
Mark MacEwen / Opal Pool, with terraces of bacteria mats and red algae, Yellowstone National Park, Wyoming, USA, September 2012.
00512852
Tim Fitzharris / Opal Range, Kananaskis Country, Alberta, Canada
00512850
Tim Fitzharris / Opal Range surrounded by fog, Kananaskis Country, Alberta, Canada
01431717
Steven David Miller / Sign warning visitors about the danger of mine shafts, Coober Pedy - a desert opal mining town, South Australia
01431716
Steven David Miller / Sign for Coober Pedy golf course - an outback desert, opal mining town, South Australia, June 2010
