When differentiating between visually similar species like the Macaroni and Royal penguins, what structural aspect of the crests is often the key differentiator?
Answer
The exact attachment point and density of the feathers.
Observing the exact attachment point and density of the crest feathers, rather than just color, can often be the key differentiator between similar species like the Macaroni and Royal penguins.
Related Questions
What visually defines the crested penguins of the Eudyptes genus?What is the approximate meaning of the scientific name *Eudyptes* derived from ancient Greek?How do the crests of the Macaroni penguin typically differ from those of the Royal penguin?What describes the plumes and an accompanying feature of the Fiordland penguin's crest?In terms of physical stature, how do members of the *Eudyptes* genus generally compare to Emperor penguins?Which geographical areas are the *Eudyptes* genus primarily associated with?Where do Fiordland penguins typically construct their nests?What is the common ecological strategy observed regarding the chicks of the Fiordland penguin after hatching?What constitutes the primary staple of the crested penguins' diet?When differentiating between visually similar species like the Macaroni and Royal penguins, what structural aspect of the crests is often the key differentiator?