(When) that bird saw his daughter-in-law in the arms of Ravana he furiously rushed against the lord of the Rakshasas.
स ददर्श तदा सीतां रावणाङ्कगतां स्नुषाम्। सक्रोधोऽभ्यद्रवत् पक्षी रावणं राक्षसेश्वरम्॥