poor Alex, a sad day
Two other parrots remain in Pepperberg's lab: Griffin, age 12, and Arthur, age 8. But Alex was the undisputed centerpiece of the lab's work. When Griffin or Arthur would mumble their words, Alex was known to say "talk better," Pepperberg said. Whether the bird intended to correct his associates or was simply, well, parroting what he heard the researchers say is not clear.