The grasshopper sparrow, one of the most endangered birds in the continental part of the United States, has made a comeback only two years after it was on the verge of extinction, thanks to a captive-breeding program.
Following a decade of hard work, Namibia has managed to reduce by a whopping 98% the number of accidental deaths of seabirds, including threatened species, thanks to effective government regulations and the industry’s dedication to the problem.
Since banning the use of gill nets from the shallow coastal waters along the coast of California, United States, in 1994, the population of harbor porpoises, one of the smallest marine mammals, have steadily rebound.
Two dogs are using their powerful sense of smell to detect a minuscule and invasive species of snail that has been infesting the waterways of Wisconsin, United States, for the last ten years.
