Valmiki Ramayana Yuddha Kanda Sarga 70 Shloka 37

तदा then, हनुमान् तु Hanuman also, क्रुद्धः angry, उत्प्लुत्य jumping up, त्रिशिरसः at Trisira, हयम् horse, मृगराट् lion, नागेन्द्रम् इव like lordly elephant, नखैः nails, विददार tore.

Then Hanuman also jumped up in anger and tore the horse off Trisira just as the lion would tear the lordly elephant with nails.