Alva Review-Courier -

RIO DE JANEIRO (AP) — The overpass juts from a forest over a four-lane highway in a rural area outside Rio de Janeiro. It's meant for a very special sort of pedestrian: golden lion tamarins, small orange primates that for decades have been at risk of extinction.

The little primate, whose name derives from the shock of orange fur that frames its face like a mane, has watched its habitat shrink over decades — even centuries -- of rampant deforestation. Animal traffickers have also targeted the brightly colored monkeys.

Bowing to pressure from an environmental association — and following a court...