Complex sentence: Savage Sam is Old Yeller's son (although he was called "Young Yeller" in the movie and also looked different); he is a Bluetick Coonhound, and every bit as courageous and loyal as his father, as well as an incredibly keen tracker.
Split into simpler sentences: Savage Sam is Old Yeller's son (although he was called "Young Yeller" in the movie and also looked different). He is a Bluetick Coonhound, and every bit as courageous and loyal as his father, as well as an incredibly keen tracker.