LA FORTUNA, Costa Rica -- A child zooming down a zipline through a rainforest in Costa Rica collided with a slow-moving sloth clinging to the cable. It happened Sunday at the Go Adventure Arenal Park ...

For years scientists assumed that sloths don't fart — believing the methane produced by their slow digestive system was simply absorbed into their bloodstreams and breathed out through their mouths.

The tiny cubs, currently off-exhibit, are expected to debut in Spring 2026. Mike Bock Nearly one month old, the two sloth bear cubs are shown resting in their den on Jan. 5, 2026. Zoo staff are ...