Valmiki Ramayana Bala Kanda Sarga 41 Shloka 16
Original Shlokaविसार्य निपुणां दृष्टिं ततोऽपश्यत्खगाधिपम् । पितृ़णां मातुलं राम सुपर्णमनिलोपमम्।।1.41.16।।
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राम O Rama, तत: afterwards, निपुणाम् intelligent, दृष्टिम् glances, विसार्य extending, पितृ़णाम् uncles', मातुलम् maternal uncle, खगाधिपम् lord of the eagles, अनिलोपमम् resembling wind in swiftness, सुपर्णम् Garuda (brother of Suparna, the mother of princes), अपश्यत् beheld.
O Rama with his keen eyes, he (Anshuman) marked Suparna, the maternal uncle of his uncles, lord of the eagles (Garuda) bestowed with the swiftness of the wind.