Philippe Clement / European dipper (Cinclus cinclus) perched on rock in stream and looking around, Luxembourg, April.

Philippe Clement / European dipper (Cinclus cinclus) perched on a rock at the base of a waterfall and bobbing, Luxembourg, April.

Michel Poinsignon / Two tawny owl (Strix aluco) chicks emerging from nest in tree, Luxembourg. May.

Philippe Clement / Cumulus mediocris clouds, Luxembourg

Angelo Gandolfi / People walking along the narrow path between rocks at Siebenschluff (The Seven Gorges) Berdorf Rocky Trail, Mullerthal Region, Luxembourg's Little Switzerland, Luxembourg, October 2009. Model released

Michel Poinsignon / Eagle owl (Bubo bubo) adult perched on branch close to cliff, Luxembourg, February

Philippe Clement / Opposite-leaved Golden saxifrage (Chrysosplenium oppositifolium) Luxembourg

Wild Wonders of Europe / Tønning / Bourscheid Castle, Oesling, Ardennes, Luxembourg, May 2009

Wild Wonders of Europe / Tønning / Apple trees in morning mist, Roudenhaff, Mullerthal, Luxembourg, May 2009

Wild Wonders of Europe / Tønning / Two Marguerite / Oxeye daisy (Leucanthemum vulgare) flowers, Roudenhaff, Mullerthal, Luxembourg, May 2009

Wild Wonders of Europe / Tønning / Apple trees in meadow, Roudenhaff, Mullerthal, Luxembourg, May 2009

Wild Wonders of Europe / Tønning / Herb robert (Geramium robertianum) in flower, Roudenhaff, Mullerthal, Luxembourg, May 2009