Bhagavatapurana 5.8.31

5.8.31

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tasminn api kālaṃ pratīkṣamāṇaḥ saṅgāc ca bhṛśam udvigna ātma-sahacaraḥ śuṣka-parṇa-tṛṇa-vīrudhā vartamāno mṛgatva-nimittāvasānam eva gaṇayan mṛga-śarīraṃ tīrthodaka-klinnam ut-sasarja //

31. And there also, looking forward to the time (when he could cast off this bestial vesture), highly disgusted with the feeling of attachment, in complete seculsion, living on dry leaves, grass, and

herbs and reckoning the time for the termination of the cause of his life as a deer, he plunged into the holy waters and gave up that body.