Srimad-Bhagavatam: Canto 5 - Chapter 1 - Verse 3
तया पेपीयमान उदके तावदेवाविदूरेण नदतो मृगपतेरुन्नादो लोकभयङ्कर उदपतत् ॥ ३ ॥
tayā pepīyamāna udake tāvad evāvidūreṇa nadato mṛga-pater unnādo loka-bhayaṅkara udapatat.
While the doe was drinking with great satisfaction, a lion, which was very close, roared very loudly. This was frightful to every living entity, and it was heard by the doe.