In this way Lord Ṛṣabhadeva followed the behavior of cows, deer and crows. Sometimes He moved or walked, and sometimes He sat down in one place. Sometimes He lay down, behaving exactly like cows, deer and crows. In that way, He ate, drank, passed stool and urine and cheated the people in this way.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
एवं गोमृगकाकचर्यया व्रजंस्तिष्ठन्नासीनः शयानः काकमृगगोचरितः पिबति खादत्यवमेहति स्म
evaṃ gomṛgakākacaryayā vrajaṃstiṣṭhannāsīnaḥ śayānaḥ kākamṛgagocaritaḥ pibati khādatyavamehati sma
SB 5.5.34