Try a 2-Pack of Redboat Window Hummingbird Feeders.

The economically priced 2-Pack of Redboat Window Hummingbird Feeders provide strong suction cups for added security while hummingbirds visit the 4 flower-shaped feeding ports. The 2-pack provides a second window feeder at another location in your home or office. Each window feeder holds 10 ounces of nectar, and they are easy to clean and refill. Each of the durable plastic window hummingbird feeders are supported by 2 super-strong suction cups, made of high-quality material that can easily hold up to 20 pounds, even in harsh weather conditions.

These window feeders are easy to use and maintain, they are designed for simplicity and feature easy-to-fill and leak-resistant reservoirs. Cleaning is a breeze, and these feeders are built to last – and they look great. These deluxe window hummingbird feeders also make great gift for children, friends, neighbors, parents, and seniors. For more information about Redboat Window Hummingbird Feeders, see Amazon.com : Redboat 2 Pack Window Hummingbird Feeder, Strong Suction Cup Hummingbird Feeder with 4 Feeding Ports, Easy to Clean and Refill Plastic Humming Bird Feeder, 10oz : Patio, Lawn & Garden (bing.com)