Crocodile tears may be drinks for thirsty butterflies and bees, new research reveals. The discovery was made when aquatic ecologistCarlos de la Rosa was sailing on a slow, quiet boat down the Puerto Viejo River in northeastern Costa Rica with researchers, students and visitors to watch and photograph wildlife in December. It was "like traveling back in time when rivers were the main highways for both humans and wildlife," said de la Rosa, director of the La Selva Biological Station for the Organization for Tropical Field Studies in San Pedro, Costa Rica. "It was one of those natural history moments that you long to see up close," de la Rosa said in a statement.
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