Was developed by the Purple Martin Conservation Association. Note that it is heavy!

A 10", one piece moulded gourd with a moulded-in, threaded access port. This port is covered by a threaded cap to allow easy cleaning, viewing and monitoring. Also has a moulded rain canopy which can double as a perching platform. The Super Gourd weighs approximately 29 ounces, has six drain holes and is made of white (sun-reflecting), opaque, high density polethylene plastic with UV inhibitors for a long life.

Features:

35.5 x 25cm diameter (14 x 10in. diameter)

Weight: 29oz