At this time, Prajāpati Dakṣa observed many inauspicious signs, and he heard from various sources that his second group of sons, the Savalāśvas, had followed the path of their elder brothers in accordance with the instructions of Nārada.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
एतस्मिन् काल उत्पातान् बहून् पश्यन् प्रजापतिः । पूर्ववन्नारदकृतं पुत्रनाशमुपाशृणोत्
etasmin kāla utpātān bahūn paśyan prajāpatiḥ | pūrvavannāradakṛtaṃ putranāśamupāśṛṇot
SB 6.5.34