HummerMagnet --- Swallow-tailed on Grevillea bloom Eye-catching beauty. This Swallow-tailed male hummingbird was photographed by Flavio Cruvinel Brandao, one of South America's preeminent birding photographers. Bee & Wasp Proof! Built in ant moat. Hummingbird safe! We designed conical shaped feeding holes at each feeding station provide the latest innovation to offer the best approach angle for hummers of all sizes. Stainless steel and the highest quality UV protected parts are used to make the hanger. Easy to clean!! 16oz glass bottle is the perfect size.