Besides the primary black coat and silver back, what subtle coloration detail might older male Western Gorillas exhibit on their heads?
Answer
A reddish-brown crown atop their heads.
While the coat of the Western Gorilla is generally black, and mature males display the characteristic silver saddle on their backs, subtle variations exist, especially in older males. Some reports indicate that these senior silverbacks might possess a reddish-brown crown located on the top of their heads. This detail adds a layer of nuance to the overall dark coloration they exhibit, distinguishing the oldest individuals even further beyond the standard silvering pattern.
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