Canberra a city dominated by galahs

An African Grey and a Blue-and-Gold macaw interactingTwo persons were detained on Saturday by the Customs and Forest departments in the West Bengal's Malda district for travelling with birds of rare species without valid documents. Altogether, 24 exotic birds, valued at around Rs. 18 lakh, were found in their possession.
Wild parrots in Australia are apparently picking up phrases from escapee pet cockatoos who join their flocks. Why - and how - can some birds talk?