Jabruson / Sand storm predeeding first rains in Tsavo East NP, Kenya.
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Ashley Cooper / Pine Processionary Caterpiller (Thaumetopoea pityocampa) silk tent, in pine trees in the Sierra Nevada mountains of southern Spain. May 2011
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Jane Burton / Domestic Cat {Felis catus} Ginger tom 'Fergus' rebuffs friendly advance of his 11-week son 'Septimus' at their first meeting.
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Toby Sinclair / Viceroy's Lodge (now Indian Institute of Advance Studies) Shimla, Himachal Pradesh, India
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Tui De Roy / Mt Everest showing the north face and Rongbuk Glacier from advance base camp, Rongbuk Valley, Tibet
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Jack Dykinga / Great blue herons (Ardea herodias) in territorial dispute over lake as Great egret (Ardea alba) dodges their advance, Gilbert Riparian Preserve, Arizona, USA.
