Elusive carnivore, once thought to be extinct, captured on camera
The coastal marten is about the size of a ferret and lives in heavily wooded forests.
Watch CBS News
The coastal marten is about the size of a ferret and lives in heavily wooded forests.
The proposed changes include the elimination of the "blanket rule" that automatically protects animals and plants when they are classified as threatened.
With biologists from the U.S. Fish and Wildlife Service furloughed because of the shutdown, a critical release of 400 captive-bred ferrets is at risk.
Manatees are classified by the federal government as a threatened species.
The U.S. Fish and Wildlife Service has proposed new protections for giraffes, saying their populations are threatened by poaching, habitat loss and climate change.
A federal judge this week refused to dismiss a lawsuit involving sewage that has killed manatees.
Scientists are using a range of tools to protect the endangered wildlife that could disappear in coming decades.
A disappearing lizard population in the mountains of Arizona shows how climate change is fast-tracking the rate of extinction.
Historian Douglas Brinkley celebrates the success of the 1973 law that finally gave legal protection to America's iconic flora and fauna facing extinction.