Valmiki Ramayana Sundara Kanda Sarga 48 Shloka 23

तत्र there, समागताः having assembled, नागयक्षाः Nagas and Yakshas, चक्रचराः those who go round the orbits, महर्षयः seers, सिद्धाश्च Siddhas, पक्षिसङ्घाः flocks of birds, नभः in the sky, समावृत्य collected, परमप्रहृष्टाः very happy, उच्चैः loudly, विनेदुः screeched

(To see the combat) the Nagas, Yakshas, seers and Siddhas who move round the heavenly orbits assembled in the sky. The birds collected in flocks in the sky and screeched loudly and happily.