Buried in petitions to list new species, the Fish and Wildlife Service proposes a system for prioritizing who gets help first.
A recent study documents the butterfly’s decline, while a new project looks at how to improve its population.
Turf wars and management missteps have hurt the recovery of Arizona and New Mexico’s remaining wolf packs, leaving them dangerously inbred.
Boaters are joining wildlife advocates, farmers and power companies to parcel out each cubic foot of Western rivers.
New information surfaces about how Idaho, Wyoming and Montana would manage the bears after a delisting this fall.