Gary K. Smith / Hedgehog (Erinaceus europaeus) foraging for food in urban garden amongst flower-pots and autumn leaves, UK

Juergen Freund / Divers silhouetted at entrance to underwater cave, Queensland, Australia

Kerstin Hinze / Tulip (Tulipa) cultivated, Schwerin, Germany

Juergen Freund / Common tree snake (Dendrelaphis punctulata) silhouette seen through a palm frond. Queensland, Australia, February

Edwin Giesbers / Borage (Borago officinalis) flower and seed heads backlit, Menorca, Balearic Islands, Spain, Europe

John Cancalosi / Cross section of a fossilised ammonite (Cleoniceras sp) from the Albian stage of the Upper Early Cretaceous period, Mahajanga province, Madagascar

Juan Carlos Munoz / Ink cap fungus {Coprinus acuminatus} in taiga woodland, autumn, Laponia / Lappland , Finland

Tim Laman / Fern (Blechnum orientale) growing in rainforest, Taveuni Island, Fiji. Frond with pink tips.

Juergen Freund / Human Footsteps coming out of the sea on Whitehaven Beach, Whitsunday Islands, Queensland, Australia

DAVID TIPLING / Roseate spoonbill {Platalea ajaja} preening, reflected in water, Ding Darling WR, Sanibel Is, Florida, USA