Complex sentence: The gyrfalcon is larger than the peregrine falcon, which it is known to hunt, and differs from the buzzard in general structure, being unmistakably a falcon with pointed wings, and broader-winged and longer-tailed than the peregrine.
Split into simpler sentences: The gyrfalcon is larger, broader-winged and longer-tailed than the peregrine falcon, which it is known to hunt. It differs from the buzzard in general structure, having pointed wings; and is broader-winged and longer-tailed than the peregrine.