Researchers release endangered crows into the forests of Pacific island

For more than 2 million years, the native forests on the Pacific islands of Guam and Rota were home to several thousand crows, members of a species found nowhere else on Earth. But over the last 60 years, the Mariana crow — called the Aga in the Chamorro language — has completely disappeared from the island of Guam and rapidly declined on neighboring Rota. Today there are only about 175 Aga left in the wild. To ensure the survival…