Green budgie with yellow head, red leg band

I lost my green budgie with a bright yellow head yesterday around 3pm near Windmill Island Gardens in Holland. It's a small parakeet, about the size of a soda can when perched, with a green body, blue-tinted wings, and white cheek patches. It wears a red plastic leg band on its right leg and has a tiny white feather notch on the left wing—easy to spot if you see him around the trees. I adopted him last year; he's my kid's best little buddy and we've been worried sick since he vanished. If anyone finds him, drop me a line—we'd really appreciate bringing him back home.