This feeder keeps squirrels from getting to the seed, yet birds can access 4 seed ports. Openings in the wire shroud align with the seed ports on the feeder tube and provide birds access to the seed. When a squirrel climbs onto the feeder, its weight automatically forces the shroud down, closing access to the seed ports. Squirrels and large birds are foiled, but not harmed in any way. Holds 1.4 quarts of seed. 24-month manufacturer warranty.
Remember it's the squirrel's weight that triggers the closing mechanism. If a squirrel can reach over from a nearby foothold and avoid placing weight on the feeder, then the squirrel will have access to the seed ports! Allow for at least 18 inches of clearance around the feeder. This will force the squirrel to climb or jump onto the feeder, thus triggering the closing mechanism.
Dimensions: 20" H (+ 12" wire hanger) x 8" W (including perches). From Brome Bird Care.