The Russian wolf is the standard grey wolf and one of the largest of the various gray wolf subspecies, the Size of the Russian wolf varies widely, with an average weight of between 45-55 kg, the she-wolf is 23-55 kg, and the male wolf is 30-80 kg

Labrador wolves are medium-sized wolves with a wide variety of coat colors, ranging from dark gray to white. Average from 38 to 52 kg
The Siberian steppe wolf, larger, reaches 2.1 meters from the tip of the nose to the tip of the tail, weighs 30-80 kg, with an average of 55 kg. He is the ancestor of the Siberian sled dog "hasky"
The North American gray wolf, the adult male wolf is up to 2 meters long, and the weight is generally about 90 pounds, or even up to 180 pounds. Shoulder height is about 0.75 meters. In the category of natural species, the North American gray wolf is the largest canine on Earth. The colors are mostly gray, but also brown, black and white
The Alaskan inland wolf is a large subspecies of wolves, the largest wolf in North America, with a body length of 150–210 cm from the tip of the nose to the end of the tail. Also known as the Yukon Wolf, it was listed by zoologist Daniel Elliott in 1905 as a subspecies of gray wolf.
The Arabian wolf is the smallest subspecies of the gray wolf, about 66 cm tall and weighing an average of 18 kg. The Arab wolf is very thin!
The Egyptian wolf is the smaller subspecies of the gray wolf, slender, with a pair of handsome short ears built in strict proportions, the fur on the back is yellow-gray with black, the muzzle, the back of the ears and the outer surface of the limbs are reddish yellow, and the tail terminal and sides are half darker in color, with a white curved edge between them. It is often mistakenly recognized as a golden jackal
The little waterfall mountain wolf is the legendary "brown wolf", with an average height of 90cm, a body length of 1.2 to 1.5m, and a weight of 36 to 40 kilograms. The coat color is generally cinnamon, light yellow, or brownish grey, with occasional red and black individuals, and the tips on the back are black and off-white
The Arctic wolf, also known as the white wolf, is a subspecies of the gray wolf. Arctic wolves are medium-sized wolves, with an average shoulder height of 64 to 80 cm, a toe-to-head height of about 1 m, a body length of 89 to 189 cm (nose to tail), and an average weight of between 35 kg and 45 kg
The Caspian wolf is the smaller wolf species in the gray wolf subspecies. Is the ancestor of the famous Caucasian wolfhound. Once widely distributed throughout the Caspian and Black Sea regions, it is already a critically endangered and extremely rare animal in the family of gray wolves, living only in remote areas along the caspian sea coast at the southeastern tip of Russia
The Alexander Islands wolf is the smallest of all wolves in North America, and these "island wolves" have short hair, dark color, and black is also relatively common, but it is not really pure black, but the black hair covers gray. They average about 1 meter long, 61 cm tall and weigh 14 to 23 kg.
Chinese wolf also known as (Tibetan wolf) (Mongolian wolf)
It is a medium-sized wolf with long, pale coat. Roughly 20 to 30 kilograms, the body size is not much larger than the jackal. Some scientists believe that in terms of their body shape and the shape of their mandibles, they are most likely the ancestors of dogs
The Italian wolf is a medium-sized wolf. Their body lengths are usually between 100 and 140 centimeters; in terms of weight, the average male weighs 24 to 40 kilograms, while females usually weigh 10% less than males. Although black coats have been found in Mugello and the Tuscan-Emilia Apennines, most coats are grey or brown