How many colors could Alex the parrot differentiate

He would then be asked either 'what's same?' or 'what's different?'Now, there are two things to consider.Preliminary research also seems to indicate that alex could carry over the concept of four blue balls of wool on a tray to four notes from a piano.They could be trained to understand spoken commands, but none of them could respond with speech.But by using novel methods of teaching, dr.

He knew at least 50 individual objects and could count quantities of up to six.For the next 20 minutes, alex ran through his tests, distinguishing colours, shapes, sizes, and materials (wool versus wood versus metal).Alex the african gray parrot could do more than speak and understand he could also count, identify colors and develop an emotional relationship.Read this sentence from paragraph 4.Can parrots recognize their owners?

Alex, a congo african grey parrot, became beloved and known by millions during his television appearances with pepperberg.Before alex died in 2007, he could count from zero to six and identify seven colors and five shapes.He could differentiate between personal pronouns, referring correctly to himself and others with i and you. alex was further aware of the concept of zero.Pepperberg prompted alex to learn about 150 words, which he could put into categories, and to count small numbers, as well as colors and shapes.Pepperberg was also training him to recognize 4 as four.