Alex the smart parrot passes away

September 17, 2007 Alex, a parrot that could count to six, identify colors and even express frustration with repetitive scientific trials, has died after 30 years of helping researchers better understand the avian brain. Alex could count to six, identify colors and even express frustration with repetitive scientific trials. The cause of Alex’s death was unknown. The African grey parrot’s average life span is 50 years, Brandeis University scientist Irene Pepperberg said. Alex was discovered …