The addition of a tray to your tube feeder will catch dropped seed and reduce waste as well as provide perching space for other birds.
Universal Seed Tray

13"diameter tray fits A-6, TH-3, B-7 Feeders.
A-6 Seed Tray
Fits A-6 and all New Generation tube feeders. 7.5" diameter.
Omni Seed Tray
Fits A-6 and all New Generation tube feeders and some other brands. 10.5" diameter
B-Tray Connector
Item BC
All seeds and nuts can be placed in tray feeders, which means all birds will stop by to chow down.
Going Green Platform Feeder
Recycled plastic hanging tray feeder has metal cable hangers and bottom screen. 12.75 x 12.75 x 2.5"
Hanging Tray Bird Feeder
Natural cedar hanging tray feeder has collapsible steel rod hangers and bottom screen. 11 x 10 3/4 x 2 5/8"
Seed Saver Feeder
Small covered dish feeder for seed, mealworms, suet or fruit. 7" diameter.
Window Mount Platform Bird Feeder
Grey stained cedar mounts on glass with large suction cups. 11 3/4"L x 10"W x 2 5/8"H
Giant Seed Tray and Squirrel Guard
Pole mount 18½ inch tray which acts as a squirrel guard and feeding tray for bird feeders.
Wrought Iron and Cedar Fly Thru Bird Feeder
Natural cedar with black wrought iron posts and removable seed tray. 23"L x 16¾"W x 14"H.
Double Decker Hopper Platform Bird Feeder
Recycled plastic pole mount platform feeder with a center hopper and extended seed tray. Size: 24"L x 13¾"W x 12"H.
Four Sided Hopper Bird Feeder
Smooth stained cedar pole mount platform feeder with a center hopper and extended seed tray. Size: 27 1/2" x 16" x 9" high.
Ground Platform Bird Feeder
Ground feeder with legs and removable screen to keep seed dryer. 22"L x 22"W x 2 5/8"H
Pole-Mount Platform Bird Feeder
Seed Catcher with removable screen for easy cleaning. Mounting bracket included. 23"L x 22"W x 2 5/8"H
Seed Container
Clear container has a pop up spout for no-spill filling of bird feeders.
Size: 11” H x 11.25” W x 5.6” D
Seed Scoop
Use for pet food, animal grain, ice melt, as well as seed. 2 lb. capacity.
Combination
Seed Scoop
& Funnel
Scoop seed from bag or bin, put the handle into the bird feeder, and slide the lever. The handle opens and becomes a funnel!