In looking at the end-time plagues in Revelation, I don’t see “massive bird deaths” listed anywhere. So, no...I don’t think He has anything to do with it.
Hosea 4
Hear the word of the LORD, you Israelites, because the LORD has a charge to bring against you who live in the land: “There is no faithfulness, no love, no acknowledgment of God in the land. There is only cursing, lying and murder, stealing and adultery; they break all bounds, and bloodshed follows bloodshed. Because of this the land dries up, and all who live in it waste away; the beasts of the field, the birds in the sky and the fish in the sea are swept away ...”
Zephaniah 1:3
“I will sweep away both men and animals; I will sweep away the birds of the air and the fish of the sea. The wicked will have only heaps of rubble when I cut off man from the face of the earth,” declares the LORD.
Revelation 19:17
And I saw an angel standing in the sun, who cried in a loud voice to all the birds flying in midair, “Come, gather together for the great supper of God” ...
Revelation 19:21
But the beast was captured, and with him the false prophet who had performed the miraculous signs on his behalf. With these signs he had deluded those who had received the mark of the beast and worshiped his image. The two of them were thrown alive into the fiery lake of burning sulfur. The rest of them were killed with the sword that came out of the mouth of the rider on the horse, and all the birds gorged themselves on their flesh ...
Eventually, someone will theorize that....”It’s Bush’s fault.”