This technique can help wildlife cross highways across the nation.
Defenders of Wildlife – Defenders Magazine – Spring 2012
Granting Safe Passage to Panthers
New roadside detectors in Florida help the big cats get to the other side
by Caitlin Leutwiler
Big Cypress teems with wildlife and is a refuge for the critically endangered Florida panther. But the roads here make it a dangerous place for the big cats, with vehicle collisions one of the leading causes of death. In 2009, 17 panthers—a record high—were killed while crossing roads, and in 2010, 16 panthers met a similar fate. For a species whose population is estimated at just 100 to 160 animals, the loss of a single cat is serious.