For more than two decades, the Spix’s macaw existed only in captivity. Its disappearance from Brazil’s Caatinga was not simply the loss of another bird. With its striking blue plumage and ...
Add Yahoo as a preferred source to see more of our stories on Google. Pair of blue-winged macaws (Primolius maracana) perched on a branch in Brazil. Samuel Baylis, Alamy The first step in returning a ...
Blue-throated macaws, a critically endangered parrot species, have demonstrated automatic imitation of intransitive (goal-less) actions—a phenomenon previously documented only in humans. In a study ...