Quran 38:19 from Surah Saad on Divine Marvels.
وَٱلطَّيۡرَ مَحۡشُورَةٗۖ كُلّٞ لَّهُۥٓ أَوَّابٞ
English translation: And the birds assembled all with him repeatedly turning
Transliteration: wal-tayra mahshuratan kullun lahu awwabun