Mahabharata 3.146.52

तानौदकान्पक्षिगणान्निरीक्ष्य भरतर्षभःतानेवानुसरन्रम्यं ददर्श सुमहत्सरः

tānaudakānpakṣigaṇānnirīkṣya bharatarṣabhaḥtānevānusaranramyaṃ dadarśa sumahatsaraḥ

Our plain-language meaning of this verse is waiting for scholar review.