Juan Manuel Borrero / Illustration of European pilchard (Sardina pilchardus). Pencil and watercolor painting.

Juan Manuel Borrero / Illustration of human evolution from left to right Australopithecus afarensis, Australopithecus africanus, Homo erectus and Homo sapiens. Pencil and watercolor painting.

Paul D Stewart / 1881 portrait of Charles Robert Darwin (12 February 1809 - 19 April 1882) English Naturalist and author of the Origin of Species. 1922 Hand coloured portrait aquatint of Darwin by G. Sidney Hunt after...

Paul D Stewart / Copperplate engraving of a Stag Beetle (Lucanus cervus), with hand colouring possibly by Donovan himself. While most plates were thinly coloured to tint the interstices of the lines of the engraving b...

Konrad Wothe / Prehistoric Rock Art, Awis Valley, Akakus mountains, Libya, Sahara, North Africa, November 2007

Juergen Freund / Ancient pictographs (rock / cave paintings) of fish and sea creatures on karst limestone formations. Sunmalelen area, Raja Ampat, West Papua, Indonesia, January 2010

Mark Taylor / Cave hand paintings, dated to around 550 BC. Cueva de las Manos, Argentina, March 2010.

Chris Shields / Illustration of wildlife of the Andes: South America Alpaca (Vicugna pacos),centre; Cougar / Puma / Mountain lion / Mountain cat / Catamount / Panther (Puma concolor),left; Spectacled / Andean bear (...

Oriol Alamany / Rock paintings of Terns (Sterna sp) at Ana Kai Tangata cave, Easter Island (Pascua or Rapa Nui), Pacific Island, Unesco World Heritage Site, November 2004

Oriol Alamany / Petroglyph of an Elephant at Khaz'ali Canyon, Wadi Rum Protected Area, Jordan, April 2009

Kirkendall-Spring / Puako Petroglyphs near the Holoholokai Beach Park on the South Kohala area of the Big Island. The Big Island of Hawaii, USA, December 2008

Jeff Rotman / Bottlenose Dolphin (Tursiops truncatus) painting with paintbrush, dolphin trainer holds the artwork, Dolphin Reef, Eilat, Israel, Red Sea.