There is a very famous pigeon in North America, called the passenger pigeon, which is extremely large, especially in the United States, there are as many as 5 billion birds, they are not only the largest population of birds in the United States, but also most likely the largest number of birds on the planet!
This kind of passenger pigeon lives in groups, and likes to travel north and south together, a group flight can be hundreds of millions, in the middle of the 19th century, in the southern Part of Ontario, the United States, people also recorded a large flock, shading the sky, up to 1.6 kilometers wide, up to 500 kilometers long, it takes 1 day to cross an area.
The passenger pigeons are between 30 and 40 cm long, with wings spreading more than 60 cm, inhabiting forests in flocks of up to hundreds of square kilometers, often with a hundred passenger pigeon nests on a single tree. Passenger pigeons sold for two cents in the early 19th century, and passenger pigeon meat was transported by train from the western United States to New York. The poor in 18th and 19th centuries america often saw no meat other than passenger pigeons.
In The 1880s in Petowski, Michigan, 50,000 passenger pigeons were killed every day, the largest of which was 250,000! By the mid-1890s, passenger pigeons were very rare. Although animal protectionists began to call for the protection of passenger pigeons at that time, legislation was passed in Michigan, but the huge number of passenger pigeons is a thing of the past!
At the beginning of the 20th century, American passenger pigeons could only be seen in zoos! In 1910, those captive passenger pigeons also died one after another, and the last passenger pigeon seen by humans at noon on September 1, 1914, Martha, died, she was made into a specimen, and in 1947 the United States erected a monument for the passenger pigeon to commemorate! When the people of the earth today sigh Chinese can eat, have you ever thought that the Americans eat more powerfully?