Srimad-Bhagavatam: Canto 11 - Chapter 1 - Verse 58
Sanskrit:
प्रजा: पुपुषतु: प्रीतौ दम्पती पुत्रवत्सलौ ।शृण्वन्तौ कूजितं तासां निवृतौ कलभाषितै: ॥ ५९ ॥
ITRANS:
teṣu kāle vyajāyantaracitāvayavā hareḥśaktibhir durvibhāvyābhiḥkomalāṅga-tanūruhāḥ
Translation:
When the time was ripe, baby pigeons, with tender limbs and feathers created by the inconceivable potencies of the Lord, were born from those eggs.