The Dundubha said: O Brahmana, there are other snakes which bite man. The Dundubhas are only snakes in name. Therefore, you should not kill the Dundubhas.
डुण्डुभ उवाच अन्ये ते भुजगा ब्रह्मन् ये दशन्तीह मानवान्। डुण्डुभानहिगन्धेन न त्वं हिंसितुमर्हसि॥