Valmiki Ramayana Kishkindha Kanda Sarga 11 Shloka 51

सः he, मुनिसत्तमः venerable sage, इति thus, उक्त्वा having said, विनिष्क्रम्य having come out, गतासुम् a dead one, भुवि on the floor, पतितम् fallen, पर्वताकारम् with a mountaneous form, महिषम् buffalo, ददृशे saw.

'The venerable sage came out of the hermitage and saw a mountaneous buffalo fallen dead on the floor.