Gentoo and chinstrap penguins jostle (image) University of Saskatchewan Share Print E-Mail Caption A gentoo and chinstrap penguin squabbling in the snow at a breeding colony along the Antarctic Peninsula. Credit Credit: Jim Wilson © Usage Restrictions Only in conjunction with this release and research. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.