Bhagavatapurana 11.7.58

11.7.58

teṣu kāle vyajāyanta racitāvayavā hareḥ /
śaktibhir durvibhāvyābhiḥ komalāṅga-tanūruhāḥ //

58 & 59. Through inconceivable powers of Hari they were fledged in due time with all limbs well-formed and with their tender body covered with down: the parent birds, in paternal affection and delight, nourished their young ones and were very happy to hear them sweetly cry and lisp.