Pigeons are animals of the pigeon genus in the pigeon family of the pigeon shaped order. The body length is 295-360 millimeters. The head, neck, chest, and upper back are slate gray, with metallic green and purple flashes on the upper back and front chest. The rest of the back is light gray, with a black horizontal spot on each wing. The tail feathers are slate gray, with a wide black horizontal spot at the end, similar to males and females. Widely distributed, except for Antarctica, high latitude regions in the Northern Hemisphere, and extremely arid areas in deserts. Most of them inhabit forests or forests, while some inhabit open areas or near cliffs. Active during the day and returning to their nest at night, but trained pigeons can fly at night if they do not return to their habitat before evening.

Raphuscucullatus: an extinct bird species in the pigeon family of the pigeon shaped order. The body shape is comparable to that of a swan, and there are also obvious sexual dimorphism. It is a large bird with a body length of 70-90 centimeters and a weight of 17-28 kilograms. There is a white feather on the tail. Their wings are too small to lift the Dodo off the ground. Eating fruits and seeds. This species is a non flying bird found only on the island of Mauritius in the Indian Ocean. Within just 200 years of its discovery by humans, this bird was completely extinct due to hunting and human activities.