What constitutes the primary staple of the crested penguins' diet?

Answer

A mixture heavily weighted toward crustaceans.

The diet of crested penguins consists primarily of small marine life, a mixture that is heavily weighted toward crustaceans, although they also consume fish and cephalopods.

What constitutes the primary staple of the crested penguins' diet?
birdanimalgenuspenguinEudyptes