Indian Wildlife Club Forum

The once-exotic bird is becoming a notorious pest as it enjoys a population

explosion in many London suburbs.

"There is wide agreement that the Adams and Eves behind the current

population boom did not fly here from Asia or Africa but escaped from

British pet cages or were intentionally released by their owners. The great

mystery is what allowed the parakeets to procreate with such phenomenal

success just in the past decade."

Read more at the link
http://www.nytimes.com/2011/05/14/science/earth/14parakeet.html?_r=3
or
http://tinyurl.com/5us2w4y