The cardinal bird's global distribution area is estimated to be 5.8 million square kilometers, and its global population is 100 million, which remains stable. The cardinal bird is the state bird of seven states in the United States. It is named after the English "Cardinal" of the Catholic Church. The body length of the cardinal bird is about 19-23 cm, the wingspan is about 25-30 cm, and the weight is about 45g.
The feathers on the head of the cardinal bird stand up, like a flag, and the beak is The color is red. However, the color of their feathers will be different depending on their gender. The color of the male cardinal bird's feathers is mainly bright red, with a small amount of gray mixed in. The color of the feathers around the eye orbits and under the beak is black; the color of the female cardinal bird's feathers The color of the feathers is mainly gray, with some red on the wings and tail. The color of the feathers on the juvenile male bird is similar to that of the female bird. The main color of the feathers is gray, with some black mixed in.
