11 September 2007 - Alex, to date the most intelligent African gray parrot in the world, died at the age of 31. Before he died, the behavioral psychologist who discovered him, Irene Pepperberg from Brandeis University in Waltham, declared that Alex had the intellectual capabilities of a five-year-old child. The parrot's vocabulary consisted of some 100 words, he knew seven colors, five shapes, and could count to six. He was able to distinguish words, repeat and pronounce them, and what's more, he could understand them. For example, if he saw two blue and three red keys, and was asked how many blue keys there were, he would answer,
vogelstimmen.de offers thousands of free links to recordings of birdsongs from a list of over 10000 birds. You can search the database of recordings with just two clicks. Start learning about or expanding your knowledge of birdsongs.
Do so with the CDs listed under Recordings. These enable you to identify birdsongs anywhere and without having to go online. >>
For those who don''t know where to start, I recommend clicking on Examples. As with all other birdsongs, you can email them as links to friends.
I recommend the Parakeet section to those of you who have lonely pets at home. Read more >>.
Birds by cell phone