CNN March of the Penguins January 6, 2014 05:45:00
Packs near the oceans edge begin to melt, shortening the distance between the sea and the breeding ground. it isnt long before the fathers return, their bellies heavy with food. the chicks will gather at once to meet them and sound their calls. the returning fathers will circle the excited newborns and listen. until he hears his chicks call.
Source: archive.org