Wild Wonders of Europe / Radisics / Water caltrop / chestnut (Trapa natans) plants growing on water surface, Lake Skadar, Lake Skadar National Park, Montenegro, May 2008
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Wild Wonders of Europe / Radisics / Water caltrop / chestnut (Trapa natans) on water surface, Lake Skadar, Lake Skadar National Park, Montenegro, May 2008
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John Shaw / Desert bighorn sheep ram (Ovis canadensis nelsoni) rubbing against a creosote bush (Larrea tridentata). Valley of Fire State Park, Nevada, USA. February.
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Nick Upton / Virgin's Mantle / Cretan prickly clover (Fagonia cretica) a Mediterranean species invasive on the Canary Islands, flowering on a hillside near Ye, Lanzarote, Canary Islands, February.
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Jack Dykinga / Caltrops summer poppies (Kallstroemia grandiflora) blooming amid mesquite trees (Prosopis sp.) infront of the Santa Catalina Mountains. July, after summer monsoon rains. Catalina State Park, near Tucs...
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Jack Dykinga / Arizona poppies (Kallstroemia grandiflora) blooming amongst Mesquite (Prosopsis sp) trees with Santa Catalina mountains in background. Post summer monsoon rain, evening light. Sonoran Desert, Catalina...
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Jack Dykinga / Arizona poppy (Kallstroemia grandiflora) blooming amongst Mesquite (Prosopsis sp) trees with Santa Catalina mountains in background. Post summer monsoon rains, evening light. Sonoran Desert, Catalina...
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Eladio Fernandez / Roughbark lignum-vitae (Guaiacum officinale) flowers in Hellshire Hills, Jamaica.
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Nick Upton / Sea grape / Uvas de mar (Zygophyllum / Tetraena fontanesii) bushes growing in gulley in volcanic rock cliffs leading down to a beach, La Pared, Fuerteventura, May.
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Nick Upton / Spanish sparrow (Passer hispaniolensis) male perched in a Sea grape bush (Zygophyllum fontanesii) in coastal scrubland, Sotavento lagoon, Fuerteventura, Canary Islands, May.
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Nick Upton / Sea grape / Uvas de mar (Zygophyllum / Tetraena fontanesii) fruits and leaves, La Pared, Fuerteventura, May.
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Constantinos Petrinos / Caltrop murex (Murex Tribulus) laying their egg masses on muddy seafloor of the Lembeh Lembeh Strait, North Sulawesi, Indonesia.