Revelation 19:17

Then I saw an angel standing in the sun, who shouted aloud to all the birds that fly in mid-heaven, "Come, gather for the great banquet of God,

Revelation 19:21

while the rest were killed by the sword of him who is seated on the horse, by the sword that issues from his lips. And all the birds were glutted with their flesh.

Revelation 8:13

Then I looked, and I heard an eagle flying in mid-heaven with a loud cry, "Woe, woe, woe to the dwellers on earth, for the rest of the trumpet-blasts that the three angels are about to blow!"

Revelation 14:6

Then I saw another angel flying in mid-heaven with an eternal gospel for the inhabitants of the earth, for every nation and tribe and tongue and people;

Treasury of Scripture Knowledge

Summary

And I saw an angel standing in the sun; and he cried with a loud voice, saying to all the fowls that fly in the midst of heaven, Come and gather yourselves together unto the supper of the great God;

Bible References

An angel

Revelation 8:13
Then I looked, and I heard an eagle flying in mid-heaven with a loud cry, "Woe, woe, woe to the dwellers on earth, for the rest of the trumpet-blasts that the three angels are about to blow!"
Revelation 14:6
Then I saw another angel flying in mid-heaven with an eternal gospel for the inhabitants of the earth, for every nation and tribe and tongue and people;

Saying

Revelation 19:21
while the rest were killed by the sword of him who is seated on the horse, by the sword that issues from his lips. And all the birds were glutted with their flesh.