On Kailāsa Hill there is always the rhythmical sound of the peacocks’ sweet vibrations and the bees’ humming. Cuckoos are always singing, and other birds whisper amongst themselves.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
मयूरकेकाभिरुतं मदान्धालिविमूर्च्छितम् । प्लावितै रक्तकण्ठानां कूजितैश्च पतत्त्रिणाम्
mayūrakekābhirutaṃ madāndhālivimūrcchitam | plāvitai raktakaṇṭhānāṃ kūjitaiśca patattriṇām
SB 4.6.12