Johnston & Jeff Pre-Filled Easy Peanut Feeder. This is an easy to use pre-filled peanut feeder which comes full of a high energy peanut blend, perfect for all types of birds. Simply remove the packaging and hang up, you’ll be feeding the birds in no time. The peanuts included in this feeder are a healthy and nutritious mix which is suitable all year round. The mesh surround of this feeder gives the birds plenty of easy access to the feed while not allowing them to take dangerous full nuts.