The reintroduction of gray wolves to the national park was controversial — and continues to be. But new research reveals just how vital they have been to restoring the golden glow of aspen forests.
In an unprecedented project in the municipality of São Simão, blue-and-yellow macaws born in captivity were trained in free-flight techniques before being introduced into the wild.
By examining the genetic makeup of bones at a museum, researchers at the University of Western Australia can confidently say that the kultarr is three species, not two.
