Evolution

Ropper a.k.a Rockhoppers

are part a family of penguins called the crested penguins,
because of the brightly colored feathers on their heads.
These bright feathers look like long eyebrows.
In this part ropper had evolved in the development,
with combined ferocity of wolves.
So? Watchout!

a bunch of ammo
sarcastic
ropper evolved with wild wolves

watch this video for detail :