This image is a derivative work of the following images: File:Penguin-lifecycle-blank.jpg licensed with PD-retouched-user 2010-03-02T14:20:53Z Citron...
This image is a derivative work of the following images: File:Penguin-lifecycle-es.svg licensed with PD-retouched-user 2010-11-26T12:09:04Z Furado 1800x1216...
Emperor Penguin}} A small group of penguins talking: Small fish or big fish? |Source=*[[:File:Penguin-lifecycle-es.svg|]] |Date=2011-03-22 05:26 (UTC)...
Date 14 April 2012 Source Own work based on: Penguin-lifecycle-es.svg, translated from File:PENGUIN LIFECYCLE H.JPG Author Original: National Science Foundation:...
