1. Different subjects
1. Crows and magpies: Corvidae
2. Starlings: Starlingidae
2. Appearance Differences
1. Crow: The average body length of crows is about 50 centimeters, and their body feathers are mostly black or black and white. The black feathers have a purple-blue metallic luster; their wings are much longer than their tails; their beaks, legs and feet are pure. Black; the distance between the nostrils and the forehead is about 1/3 of the length of the mouth, and the nose barbels are straight and reach the middle of the mouth. Common crows are the short-billed crow in North America and the small-billed crow in Eurasia.
2. Magpie: Male adult bird: The head, neck, back and tail are covered with bright black feathers, the back of the head and nape is slightly purple, and the back is slightly blue-green; the shoulder feathers are pure white; the waist is gray and white Mixed. The wings are black, with large white spots on the inner part of the primary flight feathers, and black outer parts and feather tips with a blue-green luster; the secondary flight feathers are black with a dark blue luster. The tail feathers are black with dark green luster and purple-red and dark blue-green broad bands at the end. The chin, throat and chest are black, and the throat feathers sometimes have white axis stripes; the upper abdomen and flanks are pure white; the lower abdomen and leg coverts are black; the axillary feathers and underwing coverts are pale white.
Female adult bird: The body color is basically similar to that of the male bird, but the luster is not as obvious as that of the male bird. The lower body is black or dark brown, and the white part is sometimes stained with gray. Young bird: similar in shape to the female bird, but the black part of the body is brown or dark brown; the white part is dirty white.
3. Myna: Myna is black all over, with spear-shaped frontal feathers extending into clusters and standing at the base of the mouth, shaped like a crown. The top of the head to the back of the neck, side of the head, cheeks and ear feathers are spear-shaped and velvety. Black with blue-green metallic luster, and the rest of the upper body is decorated with lavender brown, which is not as black and shiny as the head. The two wings are the same color as the back, and the tips of the primary coverts and the bases of the primary flight feathers are white, forming broad white wing spots, which are especially obvious when flying. The tail feathers are black, with white end spots except for the central pair of tail feathers.
The underparts are dark gray-black, and the perianal and undertail coverts have white terminal spots. The iris is orange-yellow, the mouth is milky-yellow, and the feet are yellow.
3. Different distributions
1. Crows: Crows are found almost all over the world except South America, New Zealand and Antarctica.
2. Magpies: They are found on almost every continent in the world except Antarctica, Africa, South America and Oceania.
3. Myna: China, Lao People's Democratic Republic, Myanmar, Vietnam, Argentina, Brunei Darussalam, Japan, Malaysia, Philippines, Singapore.
Baidu Encyclopedia - Crow
Baidu Encyclopedia - Magpie
Baidu Encyclopedia - Starling