Juan Carlos Munoz / Tracks in cracked, dry mud, Arizona, USA
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Jouan & Rius / Wolf (Canis lupus) sitting by tree, Bayerischer Wald National Park, Germany, Captive
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Juan Manuel Borrero / Looking up at the high fortified walls of the Medina in Marrakech, Morocco December 2007
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Rolf Nussbaumer / Eastern Screech-Owl (Megascops asio) in flight with prey, Willacy County, Rio Grande Valley, Texas, USA. May 2004
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Kerstin Hinze / High angle shot of Short-eared Owl (Asio flammeus) flying. View of under-side of wings, Belziger Landschaftswiesen, Brandenburg, Germany
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Kerstin Hinze / Sooty Tern (Onychoprion fuscatus) in flight, Ascension Island, South Atlantic Ocean
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Solvin Zankl / High angle shot of Northern gannets (Morus bassanus) flying overhead, Bass Rock, Scotland UK
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Solvin Zankl / High angle shot of head of Northern gannet (Morus bassanus), Bass Rock, Scotland UK
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Niall Benvie / 2.3 megawatt wind turbine with hardwood tree saplings, Scotland UK. May 2006 (This image may be licensed either as rights managed or royalty free.)
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David Kjaer / Wood Pigeon (Columba palumbus) in flight, Gloucestershire UK
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Fabio Liverani / High angle shot of European Praying Mantis (Mantis religiosa) with grasshopper prey in grasping front legs, Casentinesi Forest NP, Tuscany, Italy
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Patricio Robles Gil / Silhouette of Fan palm tree leaves, Daintree NP. Queensland, Australia
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Dietmar Nill / of frozen trees against blue sky. Germany, Europe
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Onne van der Wal / Yellow fin tuna (Thunnus albacares) fishing from a sports fishing boat, Guatemala.
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Rick Tomlinson / Skip Novak's steel yacht "Pelagic" motors carefully through pancake ice on the Antarctic Peninsula.
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Rick Tomlinson / Aerial view from the masthead of the 105ft superyacht "Wally" looking down at the fleet after the Round Gotland Race.
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Rick Tomlinson / Aerial shot from the masthead into the cockpit on "Team EF" in the Atlantic during the Whitbread Round the World Race, 1997. She had an all female crew.
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Onne van der Wal / Deep sea fishing off the stern of a sport fishing boat, Guatemala.
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Fabio Liverani / Looking up at beech trees in the Foreste Casentinesi, Monte Falterona, Campigna, Apennines of Tuscany and Romagna, Italy
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Erwan Quéméré / Couple relaxing on the foredeck of superyacht "Athena" in clear turquoise waters, viewed from the masthead.