Many migratory species such as birds, bats, whales, and fish cross national borders to complete their lifecycle and need ...

A newly built segment of border wall in southern Arizona will keep out more than just illegal immigrants, a nonprofit conservation organization says. The border wall segment and a "paved road across ...

PHOENIX — A newly built segment of the southern Arizona border wall may bolster national security, but it will endanger one of the rarest desert fish in the U.S., according to the Center for ...

HOUSTON, Texas (KTRK) -- The construction of border barriers in the Rio Grande Valley could jeopardize a rare Texas plant's survival, according to U.S. Fish and Wildlife Service scientists. The video ...

NOGALES, AZ (3TV/CBS 5)-- A smuggling attempt ended with a fishy discovery at the Port of Nogales several months ago. On April 13, border patrol officers were working at the Mariposa trade facility ...

A wildfire burning in a remote area just south of the Oregon border appears to have caused the deaths of tens of thousands of Klamath River fish, the Karuk Tribe said. The tribe said in a statement ...

UPPER KLAMATH LAKE, Ore. (AP) — Farms that rely on irrigation from a depleted, federally managed lake on the California-Oregon border, along with a Native American tribe fighting to protect fragile ...