Ramayana
तस्य वाक्यस्य वाक्यान्ते वानराः कामरूपिणः । ऋक्षराक्षससङ्घाश्च समापेतुरनेकशः ॥ 7-108-17 ॥
At the close of that speech, the vanaras who could assume any form at will, and hosts of bears and rakshasas, gathered in great numbers.
english translation