Golden jackal
The golden jackal is similar to the gray wolf but is distinguished by its smaller size, lighter weight, more elongated torso, less-prominent forehead, shorter legs and tail, and a muzzle that is narrower and more pointed. The legs are long in relation to its body, and the feet are slender with small pads. Males measure in body length and females . Males weigh and females weigh . The shoulder height is for both. In comparison, the smallest wolf is the Arabian wolf ("Canis lupus arabs"), which weighs on average .
Barrow's goldeneye
Adults are similar in appearance to the common goldeneye. On average, adult males are 48.8 centimeters (19.2 inches) long and weigh 1.0 kilograms (2.13 lb); females are typically 43.2 centimeters (17.0 inches) long and weigh 0.6 kilograms (1.31 pounds). Adult males have a dark head with a purplish gloss and a white crescent at the front of the face. Adult females have a mostly yellow bill. The male Barrow's goldeneye differs from the male common goldeneye in the fact that the common goldeneye has a round white patches on the face, less black on the back of the bird, a greenish gloss, and a larger bill. For the females, the common goldeneye has a less rounded head, and a bill in which only the tip is yellow.