Chickens provide the fertilizer on this Pennsylvania farm. The mobile coops are relocated daily to distribute manure evenly so that it won’t drain into the Chesapeake Bay.
See more pictures from the May 2013 feature story “Our Fertilized World.”
Photograph by Peter Essick (via Farm Picture — Nature Photo — National Geographic Photo of the Day)
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California’s ‘Dwarf’ Fox Is Back From the Brink
Fox has one of the fastest recoveries in the Endangered Species Act’s history.
One of America’s rarest mammals, found only on six Channel Islands, the island fox was driven nearly to extinction in the 1990s by predatory golden eagles. By 1999, there were only about 85 island foxes left on Santa Cruz Island, while nearby San Miguel and Santa Rosa Islands were each down to about 15.
Today, the species is on the verge of a dramatic recovery—one of the fastest in the history of the Endangered Species Act—with nearly 2,500 on the Channel Islands.
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Moor frogs (Rana arvalis) temporarily turning blue at the Ljubljana Marshes, Slovenia. It is thought that males turn blue during the mating season so they can quickly distinguish males from females among the dense frog populations. Photograph: Luka Esenko/Rex Features all creatures [great and small]
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