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But then in 2006, the rockhopper penguin began to be recognised as two different species, the southern rockhopper penguin (Eudyptes chrysocome) and the northern rockhopper penguin (Eudyptes moseleyi).

In places where multiple Pachyrhynchus species are present, they tend to converge on a single color pattern to deter predators. This type of convergence is known as Müllerian mimicry, which occurs ...

Two of its relatives, Metapocyrtus Heller and Pachyrhynchus Germar, are known pests in agroforestry areas. The researchers also mentioned that “unabated loss of forests poses a great threat to the ...