Vortex Viper HD 10x50 Binocular Bluebird Feeders These flying mammals are fantastic

These flying mammals are fantastic visitors to your garden

Plastic window allows seed levels to remain visible

This product is being discontinued and only the 2 floor guards remain

white gourds than they do in commercial aluminum martin houses

Vortex Viper HD 10x50 Binocular Bluebird Feeders These flying mammals are fantasticVORTEX VIPER HD 10X50 ROOF PRISM BINOCULAR The Vortex Viper HDa premium quality binocular packed with everything you need and nothing you don't. Rugged, compact and lightweight (one of the lightest full size binoculars to date), it's easy to see why the Vipers are award winners. Add in HD (High Density) extra low dispersion glass for impressive resolution and color fidelity and the Vipers change more than the game. They change the results, too.