Emperor penguins lay the smallest eggs of any bird
relative to their body size, just 1.5% of the adult mass, so this
means that when first hatched, the chicks are the smallest by relative
size of any birds too.
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This picture by Jerome Maison. © 2005 Bonne Pioche
Productions / Alliance De Production Cinematographique.
Warner Brothers film The March of the Penguins used here by permission
Warner Bros - March of the
Picture book of the movie