Sydney: Tens of thousands of Antarctic penguins are estimated to be unable to return to their colony after a massive iceberg grounded there, according to a newly published study. The B09B iceberg, measuring some 100 square kilometres (38.6 square miles), grounded in Commonwealth Bay in East Antarctica in December 2010, the researchers from Australia and New Zealand wrote in the Antarctic Science journal. The Adelie penguin population at the bay`s […]