To fuel their inferred large body mass, what requirement did the caloric needs of *Icadyptes* necessitate regarding their hunting success?

Answer

Reliably catching sizable meals

Given their inferred large size (up to 1.5 meters), the daily caloric requirement necessitated reliably catching sizable meals that provided sufficient energy return for the diving effort.

To fuel their inferred large body mass, what requirement did the caloric needs of *Icadyptes* necessitate regarding their hunting success?
dietanimalpenguinicadyptes