Shiva Purana
शेषश्च वासुकिश्चैव तक्षकश्च तथा परे ॥ शिवभक्ता महानागा गरुडाद्याश्च पक्षिणः ॥ २०॥
Śeṣa, Vāsuki, Takṣaka and many other great serpents are devotees of Śiva. Garuḍa and other birds too are so.
english translation
zeSazca vAsukizcaiva takSakazca tathA pare ॥ zivabhaktA mahAnAgA garuDAdyAzca pakSiNaH ॥ 20॥
hk transliteration by Sanscript