"PUERTO CARREÑO, Colombia — The scientists had traveled down the muddy Orinoco River for hours, their single-engine boat hemmed in by rocks the size of small mountains, when the lead biologist let out a shout.
“The dolphins!” Fernando Trujillo exclaimed, startling the team. “They’re right there!”
The 15 passengers swiveled their heads and the captain sped to the spot. It was a rare sight, an endangered species emblematic of the Colombian Amazon, considered sacred by the region’s Indigenous communities: the pink dolphins."