One verse

Srimad Bhagavatam 10.16.4

10.16.4

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-śukaḥ uvāca
Śrī Śukadeva Gosvāmī said
kālindyām
within the river Yamunā
kāliyasya
of the serpent Kāliya
āsīt
there was
hradaḥ
lake
kaścit
a certain
viṣa
of his poison
agninā
by the fire
śrapyamāṇa
being heated and boiled
payāḥ
its water
yasmin
into which
patanti
would fall down
upari-gāḥ
traveling above
khagāḥ
the birds

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.