Śrīmad-Bhāgavatam · Text 10.16.4
Who is speaking and story frame
श्रीशुक उवाच
कालिन्द्यां कालियस्यासीद् ह्रद: कश्चिद् विषाग्निना ।
श्रप्यमाणपया यस्मिन् पतन्त्युपरिगा: खगा: ॥ ४ ॥
śrī-śuka uvāca
kālindyāṁ kāliyasyāsīd
hradaḥ kaścid viṣāgninā
śrapyamāṇa-payā yasmin
patanty upari-gāḥ khagāḥ
Śrī Śukadeva Gosvāmī said: Within the river Kālindī [Yamunā] was a lake inhabited by the serpent Kāliya, whose fiery poison constantly heated and boiled its waters. Indeed, the vapors thus created were so poisonous that birds flying over the contaminated lake would fall down into it.
Read the purport on Vedabase.ioFrom Canto 10, chapter 14 onward, the translation and purports were completed by Śrīla Prabhupāda's disciples after his departure, and published by the Bhaktivedanta Book Trust.