Scott Nielsen was photographing butterflies in Costa Rica when he spotted a young three-toed sloth slowly descending from the tree top. Sloths live in the forest canopy, but they have … Read more
Costa Rica
Study: Warmer Climate Is Sending Species Uphill
University of Connecticut ecologists studying plant and animal movement in Costa Rica are finding that species may move up mountain slopes as the climate warms but areas left behind will … Read more