Rats and mice at the bird feeder

Rats come for seed that spills or sits out overnight. Hang feeders at least 4 ft up and 8 ft from branches and fences, fill only what the birds finish in a day, catch the spill with a tray, and take seed in at night, when rats are most active.

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7 more feeders

Brome · Seed feeder

Squirrel Buster Classic

  • Holds 2.4 lb
  • Squirrel-resistant
  • Comes apart to clean

A tall 2.4 lb squirrel-resistant tube, at a lower price than the Plus, if you do not need to adjust the spring.

Keep in mind: The spring is not adjustable, so you cannot tune it for heavier birds.

Nature's Way · Seed feeder

Squirrel Shield Advantage Cage Feeder

  • Holds 3.2 qt
  • Squirrel-resistant
  • Comes apart to clean

Two defenses in one feeder where squirrels raid: a cage, and a shield that drops over the ports under a squirrel’s weight.

Keep in mind: Nature’s Way does not give the size of the cage openings, so check that the birds you want can get in.

Why rats come

Rats travel along fence tops and wires looking for food, and bird seed is one of their favorites. Seed spills from every feeder and cannot all be cleaned up, and rats are good climbers that reach feeders hung in trees, Public Health – Seattle & King County notes: if you feed birds, expect more rats near the house. Mice, chipmunks and squirrels come for the same seed, and predators follow them, MassWildlife adds.

Hang it out of reach

Hang feeders at least 4 ft off the ground and 8 ft from branches, fences or anything else a rat could jump from. A squirrel-proof feeder with a tray under it and a baffle on the pole keeps both the climbers and the spill in check.

Use a smooth metal pole rather than a tree or a wooden post: rats and squirrels climb bark and rough wood with ease, and a feeder hanging from a branch is within reach of anything that climbs. Where a wooden post is all you have, the Internet Center for Wildlife Damage Management suggests wrapping it in overlapping aluminum flashing so climbers cannot grip it, with a baffle at least 4 ft up.

Hot-pepper seed

Seed coated with hot pepper (capsaicin) puts off rats, mice and squirrels while birds keep eating it. Mammals reject food with just a few parts per million of capsaicin, while birds show no sign of feeling its burn even at concentrations far hotter than any chili, repellent researcher Russ Mason explains on the Internet Center for Wildlife Damage Management. It is not foolproof: some hungry squirrels and rats eat it anyway.

Buy seed or suet sold already coated rather than shaking pepper powder over your own seed: loose powder can blow into birds’ eyes, and into yours when you fill the feeder.

Fill less, and never overnight

Fill the feeder with no more than the birds empty in a day, and leave no seed out overnight, when rats are most active. Choose food your birds actually eat: mixes heavy in filler seeds end up on the ground. Rake up spilled seed and hulls, and keep stored seed in a metal can with a tight lid.

If they keep coming

Take the feeders down for a few weeks and clear the ground under them, so the rats move on. Some places make it the property owner’s job to keep rats from finding food, as King County does, and MassWildlife now asks residents to give up seed feeders altogether in favor of native plants and a bird bath.