Valmiki Ramayana Aranya Kanda Sarga 35 Shloka 29

पतगोत्तमः the best of birds, महाबलः very strong, सुपर्णः Suparna (Garuda), तस्य his, तां शाखाम् that branch, भारेण with weight, सहसा at once, बभञ्ज broke, पर्णबहुलां full of leaves.

Due to the weight of this best of birds, the mighty Garuda, the leafy branch at once broke down.