1. The rooster of the Taihe Wukong is larger, weighing between 1.4 and 1.8 kilograms. Its belly armor is concave and its feathers are rougher and harder. The rooster's tail is thick and long, and its anal opening is in the dorsal armor.

2. The hens of the Tahoe Woolly Grouse are smaller in size, weighing between 1.2 and 1.4 kilograms. The ventral armor of the hen, on the other hand, is flat, the feathers are slippery and softer, and the hen has a short, thin tail and an anal opening in the dorsal armor.