On this episode of "Everything You Didn't Know About Animals," we're revealing mind-blowing info about the all-too-human pig, the voracious wolf, and the Einstein of birds, the crow! Did you know that a pig can squeal as loud as a jet engine? Would you believe a pack of ten wolves could dominate a territory as big as Delaware? And how did crows almost help the military hunt for Osama Bin Laden? There's a world of fascinating facts to be discovered about these remarkable animals! Plus, we'll uncover how the hunger of wolves can influence an entire ecosystem.