Matsya Purana 209.15

209.15

vṛkṣaśākhāṃ samārūḍhaḥ śuko'yaṃ saha bhāryayā.
kareṇa lambayan śākhāṃ karoti saphalaṃ śiraḥ .. 209.15 ..

This parrot sitting on the branch of that tree in company of his female is binding down the twig so that it seems that the twig is loaded with fruit—15