ナショナルジオグラフィックのインスタグラム(natgeo) - 1月16日 03時40分

Photo by Jeff Kerby // @jtkerby // A Cape starling perches on an Acacia tree near the bank of the bone-dry Kuiseb River in Namibia. Sandwiched between the world’s oldest desert and a vast gravel plain, this is one of many bird species found along this dry riverbed. Water sits below the surface of the sand here, creating a linear oasis that sustains hardy vegetation along the river course that are able to tap into this sinking resource. These underground stores of water recharge when rains fall upstream and flood towards the coast, though sometimes it is years in between events. Competition between humans and plants for this limited supply of water is ever increasing, even in places like this where its life-sustaining stores are hidden even from the eyes of this beautiful bird. For more environment stories from Namibia and elsewhere follow me @jtkerby // #Namibia #YearOfTheBird #NatGeo

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