The Tale of the Bodhisatta and the Naga King
… was reigning in Benares, the Bodhisatta
was born a bird. When he came to years of discretion, good fortune attended
him and he became king of the birds, taking up his abode with his subjects
in a giant tree…
In Benares, during Brahmadatta's reign, the Bodhisatta is born as a bird and becomes king of the birds in a giant tree by a lake. The lake is home to Canda, the Naga King, who is angered by the birds