Notice how Taz looks heavier in this title sequence. I always noticed that as a kid. My guess is this opening was probably part of some proof of concept or pilot film that was shown to network executives.
@Leeswinburn Welcome to the land that's way under down under, The sky's alway's yellow in rain or shine. Down in Taz-Mania Come to Taz-Mania. when Topsy meets turvy and they start to spin, Like a Tazmanian devil and his closest kin. Down in Taz-mania come to Taz-mania. Mom's a live wire Dad's a bump on a log, Molly's all fired up while Jake plays with the dog. Down in Taz-mania come to Taz-mania. Digeri Dingo and Wendell T Wolf. Francis X Bushlad is never uncouth. Bushwacker bob and his mother called mum. Constance and Thickley just want to have fun. Bull Gator and Axl are always left sore. If you have a deal just call buddy boar. The Platypus Brothers are a backing about, The Kiwi the Bush rats have we left anyone out. Oh yeah don't forget Taz, He put the Taz in Taz-mania, Down in Taz-mania Come to Taz-mania, WE MEAN YYOU WA BA BA BLAH BLOOPTHB.