In Ice Age : Continental Drift , a pack of sirens is portrayed as monstrous fish rather than beautiful women .
After narrowly escaping a pack of sirens ( who are instead portrayed as monstrous fish instead of beautiful women ) , Manny , Sid , Diego , and Granny return home only to find the land bridge destroyed and that Gutt has beaten them and taken Ellie , Peaches , and the rest of The Herd hostage .
Ice Age-COLON- Continental Drift