The first species ever to be emergency-listed as an endangered species in Canada, the Oregon spotted frog was on the U.S. candidate list for 23 years before it federal protection in the United States.

“They’re very small body little frogs up against something on the order of 30,000 vehicles a day driving on U.S. Highway 30,” Rachel Wheat, a wildlife connectivity coordinator with the ...

PORTLAND, Ore. (Portland Tribune) — Each year, Northern red-legged frogs face a perilous journey to get to their breeding grounds as they risk getting squished into the asphalt lanes of U.S ...