The bright red color attracts the most inquisitive hummingbirds. With easy-to-fill wide-mouth jar reservoirs and two-parts bases, First Nature Hummingbird Feeders are the easiest feeder on the market to clean – with just warm soapy water. The feeding ports will accommodate several hummer’s at a time. With First Nature Hummingbird nectar concentrate, you can mix the correct proportions right in the feeder jar.