- White polypropylene copolymer plastic make offers durability
- Designed to attract Purple Martins, Blue Birds, and Tree Swallows
- UV and weather resistant material keeps the guard protected
What type of bird would I like to attract to my yard Purple Martins, Blue Birds, Tree Swallows Well, the BO9, can attract all three. Simply choose the provided entrance and you are set.
The standard Starling Resistant Entrance is made for Purple Martins, but you can use the provided entrance to switch over at any time.
Providing choices for your martins is a very wise idea.