Species at Risk
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As beaches are taken over by construction or washed out by storms, this little shorebird loses more of its critical nesting habitat.
Often referred to as the largest land carnivores in the world, polar bears are actually marine mammals, spending much of their time on Arctic sea ice hundreds of miles from land.
The five species of prairie dogs were once likely more than one billion strong, and their colonies covered roughly 100 million acres. Since the late 1800s, their numbers have been reduced by at least 95 percent.
At one time, more than 100,000 red knots filled the skies of Delaware Bay during their epic spring migration from South America to the Canadian Arctic. Today, fewer than 13,000 of the shorebirds remain, a number that continues to decline steadily.
Clean energy can help fight climate change, but it has to be planned with wildlife in mind.
Worldwide numbers of sea otters have slowly recovered but still stand far below original population numbers.
All six of the species found in North American waters are listed as either endangered or threatened under the Endangered Species Act and all seven are included on the International Union for the Conservation of Nature’s Red List of Threatened Species.
These fascinating fish have inhabited Earth’s oceans for 400 million years but today they are disappearing at an alarming rate.
Historically, hundreds of thousands of wolves roamed wild throughout North America. But during the 19th and 20th centuries, wolves virtually disappeared from the American west.
These animals are exceedingly rare, with scientists speculating that fewer than 300 wolverines may live in the U.S., possibly far fewer.
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