Complex sentence: Feathered robes and capes were worn by Hawaiian royalty, and the requirement for feathers drove birds such as the "ō" ō and mamo, to extinction, though the sacred scarlet honeycreeper survived.
Split into simpler sentences: Feathered robes and capes were worn by Hawaiian royalty. The requirement for feathers drove birds such as the "ō" ō and mamo, to extinction, though the sacred scarlet honeycreeper survived.