Tommy Goszewski, a technician with the U.S. Geological Survey, holds a grass carp taken from a pond at an agency lab in Columbia, Mo., in spring 2013.
October 28, 2013 A U.S. Geological Survey study finds that the Asian grass carp is living and breeding in the Sandusky River, which flows into Lake Erie.
A Russian sow on Mark Baker's farm. Four other parties have joined Baker's lawsuit against the Michigan Department of Natural Resources.
Courtesy of Long Haul Productions
August 31, 2012 Michigan officials and pig farmers are locked in an escalating debate over new rules that make wild boars illegal in the state. The state maintains that the animals can destroy natural ecosystems, but some farmers say that the rules will destroy their livelihoods.
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The bilby is an endangered Australian marsupial that has been run out of its habitat by humans and rabbits.
Courtesy of Australia's Queensland State Government.
April 5, 2012 In Australia, the bunny may rule the burrows, but the bilby, a native marsupial whose population has dwindled, rules the Easter basket.
A snakehead is filleted for a dinner this week hosted by the Oyster Recovery Partnership.
October 27, 2011 The snakehead fish is invasive, destructive, and, some say, delicious. Maryland chefs, fishermen, and conservationists hope that by putting it on menus, they can eliminate it from regional waterways.
Two Asian carp on display during a February, 2010 congressional hearing.
Manuel Balce Ceneta/AP
June 23, 2010 An Asian Carp was found within 10 miles of Lake Michigan, raising fears that the invasive species would soon be causing havoc in the Great Lakes.
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