Eric Dragesco / A large herd of Tien Shan Argali (Ovis ammon karelini) making tracks through snow. Naryn National Park, Kyrgyzstan, Central Asia, November.

Ann & Steve Toon / Making a cast of an Indochinese tiger paw print (Panthera tigris corbetti), Thap Lan National Park, Thailand, August.

Ingo Arndt / Northern elephant seal {Mirounga angustirostris} making its way down the beach to the sea, California, USA

Enrique Lopez-Tapia / Green turtle (Chelonia mydas) female on beach making her way back to the sea after laying eggs. Poilao Island, Guinea-Bissau.

Doug Wechsler / Horseshoe crab (Limulus polyphemus) making a spiral trail on spawning beach. Delaware Bay, NJ

Andy Rouse / Making footprint casts during Tiger census, Ranthambore NP, Rajasthan, India (non-ex)

Hanne & Jens Eriksen / Green turtle {Chelonia mydas} baby making tracks in the sand on its way to the sea, Ras Al Jinz, Oman.

Rob Tilley / Loggerhead Turtle (Caretta caretta) making tracks towards the sea, Yakushima, Nagata, Japan

Jabruson / Deforestation making way for slash & burn agriculture, Epulu Ituri Rainforest Reserve, Democratic Republic of Congo