What sentences do tourist pigeons use to connect the context when reading short passages?

Travelling pigeons are very similar to ordinary pigeons. However, its back is gray, even a little blue, and its chest is bright red, so it looks so colorful.

Travelling pigeons are not only beautiful, but also numerous. They used to be one of the most abundant birds on earth. When they formed a huge team and sang high and loud songs, the birds blocked the sun and the ground was dark. Some pigeons are15km long and 2km wide, and the number is 200 million!

The reason for changing the fate of the pigeon is that its meat tastes delicious.

If you wave a wooden stick in the sky a few times, you can shoot down some traveling pigeons. If a shotgun is used, it is more important to kill hundreds (or even thousands). This was a fact at that time. At that time, with ordinary hunting activities, the number of traveling pigeons gradually decreased. By 1880, you can only see flocks of pigeons in some places. Even so, the hunters there still go to the table every year.

1900 One day, with a gunshot, the last wild pigeon was injured. 1909, the pigeon lineup is overwhelming, with only three pigeons left. They live in the zoo. 19 14 September 1, the last one.

It took only 50 years for the pigeon to go extinct. In the 20th century, hundreds of animals disappeared from the earth forever!

(1) Use "/"to delete inappropriate words or pronunciations in brackets.

(2) Draw a sentence with "-"to describe the "colorful" of the pigeon, and draw two sentences with "wavy line" to reflect the "overwhelming" of the pigeon.

(3) The change of the pigeon's fate is mainly due to her ().

A.it looks good. B.it's rich. C.it's delicious

(4) The extinction time of passenger pigeons is-

(5) Combining with the reality, briefly talk about your feelings after reading the article.