Srimad-Bhagavatam: Canto 8 - Chapter 1 - Verse 46

Sanskrit:

प्रस्कन्नं पिबत: पाणेर्यत् किञ्चिज्जगृहु: स्म तत् ।वृश्चिकाहिविषौषध्यो दन्दशूकाश्च येऽपरे ॥ ४६ ॥

ITRANS:

praskannaṁ pibataḥ pāṇeryat kiñcij jagṛhuḥ sma tatvṛścikāhi-viṣauṣadhyodandaśūkāś ca ye ’pare

Translation:

Scorpions, cobras, poisonous drugs and other animals whose bites are poisonous took the opportunity to drink whatever little poison had fallen and scattered from Lord Śiva’s hand while he was drinking.

Purport:

Mosquitoes, jackals, dogs and other varieties of dandaśūka, or animals whose bites are poisonous, drank the poison of the samudra-manthana, the churned ocean, since it was available after it fell from the palms of Lord Śiva.