Field notes from twelve gardens' worth of feeder moves, trial and error.
The short version: hang the feeder either less than 3 feet from a window or more than 10 feet away, 5-7 feet off the ground, within 4-5 metres of dense cover but not touching it, in morning sun and out of the prevailing wind, and at least 10 feet from any structure a squirrel can launch from. Get those five right and a single feeder will pull three times the bird traffic of a poorly placed one.
Rule 1: window distance - it's counter-intuitive
A billion birds die hitting glass in the US every year. Feeder placement is the single biggest factor a home owner can control.
The counter-intuitive part: less than 3 feet from a window is safer than 8 feet. A bird startled from a feeder right next to the glass can’t build up enough momentum to hit lethally. A bird startled from a feeder 8 feet away accelerates into the window at full speed.
Two safe zones:
- Under 3 feet from the glass (suction-cup window feeders, or hanging feeders right against the wall).
- Over 10 feet from the glass (in the open garden, well away from any window).
The danger zone is 3-10 feet - close enough to startle birds toward the window, far enough for them to hit at speed. Almost every “we found a dead bird at the patio door” call comes from this distance. Don’t park the feeder there.
If you already have a feeder in the danger zone and can’t move it, the second-best fix is making the glass visible to birds - decals, paracord curtains (Acopian birdsavers), or window film with a closely-spaced pattern. The pattern has to be no more than 2 inches apart horizontally; wider spacing doesn’t work.
Rule 2: cover distance
Birds approach feeders in short hops. They land in a shrub or tree first, scan, drop to the feeder, take a seed, fly back to cover to crack it. A feeder with no cover within 4-5 metres gets visitors but no residents.
The right gap is 4-5 metres from a dense shrub or tree, but not touching one. Why not touching?
- Touching cover lets cats ambush. A cat can wait in a shrub right next to a feeder and grab a bird that lands on it.
- Touching cover lets squirrels jump straight on. No baffle in the world helps if the squirrel can step from a branch.
Hawthorn, holly, blackthorn, or a dense conifer all work. A bare flagpole in the middle of a lawn is not a good spot - birds visit briefly and never settle.
Rule 3: height
5-7 feet off the ground is the sweet spot.
- Lower than 5 feet puts the feeder in cat-strike range.
- Higher than 7 feet makes it hard for you to refill and clean.
The exception is suet logs for woodpeckers - those can go higher on a tree trunk (8-12 feet) and the birds prefer it. Ground-feeders (sparrows, juncos, doves) need a separate low platform tray at 2-3 feet.
Rule 4: sun and wind
Morning sun on the feeder, afternoon shade. Early sun warms the perch and the feeder is most active in the first three hours of daylight. Afternoon shade keeps seed cooler and slows the rancidity that hot afternoons accelerate.
Out of the prevailing wind. A feeder swinging hard in wind is barely used. Hang in the lee of a wall, hedge or fence. If you can’t, use a heavier baffle plate above the feeder to dampen swing.
Sheltered from rain when possible. A roofed hopper feeder, or one hung under an eave, keeps the seed dry. Wet seed grows mould fast, and mould in a feeder is the main vector for the diseases we covered in are bird feeders bad.
Rule 5: squirrel jump radius
A grey squirrel can jump roughly 10 feet horizontally and 5 feet vertically from a launching surface. Any feeder within that radius of a tree trunk, fence post, roof edge, or shed wall is a squirrel buffet.
The 10-foot rule:
- 10 feet horizontally from any structure a squirrel can climb onto.
- 5 feet of clear air above the feeder (no branches overhanging within 5 ft).
- 5 feet of clear air below the feeder to the ground.
If you can’t get 10 feet of horizontal clearance, the next defence is a properly-sized baffle on the hanging chain or pole. The full squirrel-defence breakdown is in best squirrel-proof bird feeders and the nest-box version is in how to keep squirrels out of an owl nest box - the principles transfer.
The feeder that fits all five rules
A weight-sensitive feeder hung from a shepherd’s hook 10 feet from any structure, with a baffle, at chest height, near a shrub but not touching it, less than 3 feet from a window or more than 10 feet from one - that’s the spec. The Esschert weight-activated feeder below is what we use because it solves rules 5 (squirrel) and 3 (height) at the same time and the all-metal build cleans properly.
Esschert Squirrel-Proof Feeder
Weight-triggered, dishwasher-safe, the design that solves the squirrel problem first.
A hinged jar holder with a weight-sensitive perch. Small birds feed freely; squirrels, magpies and jackdaws close the lid by their own weight. Steel, no batteries, no springs to fail. Hangs from a shepherd's hook or chain, takes a standard 16 oz peanut butter jar (or any similar-sized jar repurposed for seed).
- Standard 16 oz jar fits - no proprietary refills
- Weight-triggered closure - no setup or calibration
- All-metal, dishwasher-safe in hot water
- Powder-coated steel - good for multiple winters
Esschert · FB289
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The seasonal exceptions
In summer, move feeders out of direct sun and refill smaller amounts more often - heat accelerates rancidity. In winter, place near south-facing shelter (wall, hedge) so birds feed in the warmest microclimate. In storms, you don’t need to take feeders in - birds need them most then - but check the swing isn’t violent enough to scare birds off.
What to fill it with
The seed inventory question is separate from the placement question. See best bird seeds for the ranking, what to put in a bird feeder for the working shortlist, and best winter bird seed for the cold-weather variant. The whole feeder-station logic that puts these decisions together is in how to attract common backyard birds.
The bottom line
Five rules. Window distance under 3 ft or over 10 ft. Cover within 4-5 metres but not touching. Height 5-7 ft. Morning sun, afternoon shade, sheltered from wind. 10 feet of horizontal clearance from any squirrel launchpad. Get those right and the same bag of seed pulls three times the bird traffic. A poorly placed feeder is the most common reason a new feeding station fails - and almost always it’s window distance or cover distance that’s the culprit.
