EDINBURGH, SCOTLAND - JUNE 10: Adult gentoo penguins keep an eye on their newly born chick at Edinburgh Zoo on June 10, 2011 in Edinburgh, Scotland. The gentoo chicks which started hatching in early ... more 
EDINBURGH, SCOTLAND - JUNE 10: Adult gentoo penguins keep an eye on their newly born chick at Edinburgh Zoo on June 10, 2011 in Edinburgh, Scotland. The gentoo chicks which started hatching in early May are looked after by both parents who regurgitate part digested food. When the chicks are hungry they peck the beaks of their parents to signal feeding time. (Photo by Jeff J Mitchell/Getty Images) less 
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Getty Images | Photo By Jeff J Mitchell / Getty Images
Fri, Jun 10, 2011 9:01 AM EDT