Valmiki Ramayana Sundara Kanda Sarga 42 Shloka 1
Original Shlokaततः पक्षिनिनादेन वृक्षभङ्गस्वनेन च। बभूवुस्त्राससम्भ्रान्तास्सर्वे लङ्कानिवासिनः।।5.42.1।।
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ततः thereafter, पक्षिनिनादेन by the sounds of birds, वृक्षभङ्गस्वनेन by the cracking sound of trees, सर्वे all, लङ्कानिवासिनः the residents of Lanka, त्राससम्भ्रान्ताः were panicked, बभूवुः became.
The residents of Lanka panicked at the shrieking sounds of birds and cracking sounds of trees. Hanuman ruins Ashoka garden -- kills eighty thousand kinkaras