Complex sentence: They also eat carrion, feces, auks, invertebrates and, where available, human waste A Snowy Sheathbill has been seen eating a tapeworm that had been living in a Chinstrap Penguin's intestine.
Split into simpler sentences: They also eat carrion, feces, auks, invertebrates and, where available, human waste. Snowy Sheathbills have also been known to eat a tapeworms that have been living in a Chinstrap Penguin's intestine.