Biodiversity

"Wildlife officials fear the world's only remaining natural flock of endangered whooping cranes could be at risk of another winter die-off."

Increased use of the poison Rozol to kill prairie dogs is harming many non-target species.

"Responding to growing concern over the spread of Burmese pythons in the Everglades, the federal Fish and Wildlife Service proposed Wednesday to ban both the import and interstate transport of the python and eight other snake species, all large constrictors."

"The U.S. Supreme Court on Tuesday rejected a request by the state of Michigan for an injunction to force the closing of two Chicago-area waterway locks to keep Asian carp from invading the Great Lakes."

"The long term survival of polar bears is being threatened by man-made pollution that is reaching the Arctic. This conclusion comes from a major review of research into how industrial chemicals such as mercury and organochlorines affect the bears."

"More questions than answers persist in early efforts to bring climate change into all decisions at the U.S. Fish and Wildlife Service, the federal agency that manages the nation's wildlife refuges and many of its protected species."

"The ancient waterways upon which the Aztec Empire was built are now a fraction of their former glory. ... Hidden underneath the murky water, sharing space with discarded soda cans and empty potato-chip bags, an ageless 'water monster' called the axolotl, a central figure in Aztec legend and a protein-rich part of the diet then, is also vanishing."

"Conservation groups said four species of native bumblebees are close to extinction and called on the federal government Tuesday to begin regulating the shipping of bees raised commercially as crop pollinators."

"An offline Florida power plant is providing a warm-water refuge for several hundred manatees who like the Sunshine State's human residents are shivering in record low cold temperatures."