An interesting follow-up to Tim Low's book Where Song Began. http://www.timlow.com/books/bird-book .
An interesting follow-up to Tim Low's book Where Song Began. http://www.timlow.com/books/bird-book . Maybe this is where language began, too! http://www.abc.net.au/news/2015-06-30/outback-babbler-birds-use-primitive-language-study-says/6582860 http://www.abc.net.au/news/2015-06-30/outback-babbler-birds-use-primitive-language-study-says/6582860