Best Pond Pump 2026: Ten Ranked on Real Litres and Watts

By · Updated

The litres per hour figure on a pond pump is only half the story, because the real number is the watts behind it. A Jebao moves 10,000 litres an hour on just 63 W, while some rivals need twice the power for the same claim, and the difference shows on the electricity bill for a pump that runs 24 hours a day. The catalogue adds its own noise: the Biling fountain filter mentions a 3 m cable and then a 5 m cable in the same listing, the AquaECO pumps print their Unit Count as 109.99 count and 74.99 count, and one 15,000 litre model lists its own material as 15000PP.

So we ranked ten of the best pond pump options on Amazon in September 2026 on what decides the pond: real flow matched to pond size, energy use per litre moved, lifting height for waterfalls and filters, solids handling and fish safety, and how much honest evidence the listing carries. Marketing litres are flagged as claims rather than repeated as fact.

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1

Swell 1,500LPH Submersible Pond Pump, Energy Efficient, Fish Safe

pond pump
£49.59 4.4 1,258 reviews

The most proven small pond pump in the category: 1,258 ratings at 4.4, 25 W running cost and a 3 year guarantee.

Pros

  • 25 W running cost
  • 1,258 ratings at 4.4
  • Fish safe protective cage
  • 10 m cable
  • 3 year guarantee

Cons

  • 1500 L/H suits smaller ponds only
  • Hose sold separately
  • Plastic body construction

Why it is number 1

Flow
1500 L per hour small ponds
Power
25 W low running cost
Cage
Protective, fish safe
Solids
Up to 4 mm
Evidence
1,258 ratings at 4.4 deepest in category
Guarantee
3 years

What buyers actually say

Quoted from customer reviews on Amazon

Verified purchase

“Strong large pump just as required will work well within my pond very impressed with the product.”

susan allcock · 29 August 2026
Verified purchase

“This pump is strong and silent, plenty of power for a waterfall.”

Amazon Customer · 1 August 2026
Check Price on Amazon More about the Swell 1,500LPH Submersible Pond Pump, Energy Efficient, Fish Safe

The Swell 1,500 LPH is the pond pump we would choose first for a smaller garden pond, because no other listing in this guide carries such a deep and current pool of evidence: 1,258 ratings at 4.4. It moves 1,500 litres an hour on just 25 W, which keeps a waterfall or external filter running through the summer for pennies, and the protective cage keeps fish and debris away from the impeller. The 10 metre cable and 20 to 25 mm hose compatibility cover most small pond layouts.

Reviewers describe a strong, silent pump with plenty of power for a waterfall and a design that clogs far less than older pumps, and Swell backs it with a three year guarantee. Particles up to 4 mm pass through safely, so routine care is rinsing the cage and clearing the impeller.

It ranks first because for the majority of ponds the combination of honest flow, low watts and deep evidence is unbeatable at £49.59. If your pond is larger, step up the range rather than pushing this one beyond its design.

2

AllPondSolutions Pond Filter Pump 8000 L/H, Fully Submersible - Energy Efficient Koi Fish Waterfall Pump 6mm Solids Handling. 8000PP

AllPondSolutions 8000PP submersible pump
£89.99 4.5 541 reviews

The best proven mid range pump: 8,000 litres an hour at £89.99, with 541 ratings at 4.5 and a ceramic shaft design.

Pros

  • 8000 L per hour flow
  • 541 ratings at 4.5
  • 6 mm solids handling
  • Ceramic shaft, single impeller
  • Fits 25-38 mm hose

Cons

  • No plug included (outdoor safety)
  • Needs an RCD protected supply
  • Hose sold separately

Why it is number 2

Flow
8000 L per hour medium to large ponds
Solids
Up to 6 mm
Shaft
Ceramic, wear resistant
Evidence
541 ratings at 4.5
Price
£89.99

What buyers actually say

Quoted from customer reviews on Amazon

Verified purchase

“Excellent pump nice powerful and quiet”

Ghost · 31 August 2026
Verified purchase

“The pump worked perfectly for what I needed very happy with it”

Nicholas jarvis · 26 May 2026
Check Price on Amazon More about the AllPondSolutions Pond Filter Pump 8000 L/H, Fully Submersible - Energy Efficient Koi Fish Waterfall Pump 6mm Solids Handling. 8000PP

The AllPondSolutions 8000PP is the pump for medium to large ponds that want a proven workhorse without paying for a brand badge. It delivers 8,000 litres an hour for waterfalls and filters, passes solids up to 6 mm, and runs on a single moving part impeller with a wear resistant ceramic shaft, which is exactly the design that keeps maintenance simple. The caged inlet takes water from any direction and the outlet fits 25, 32 and 38 mm hose.

Its 541 ratings at 4.5 make it the best documented mid range pump in this guide, with reviewers describing a powerful, quiet unit that replaced an Oase pump and did the job well. The 10 metre cable is sealed into the motor body, and the listing is honest that no plug is included with outdoor electrical products for safety reasons.

At £89.99 it undercuts the 10,000 litre eco pumps on price while still covering most koi and garden ponds. It ranks second on that balance of flow, evidence and value.

3

Jebao XOE-10000 Pond Pump 10000 LPH Energy Saving Waterfall & Filter Pump

Jebao XOE-10000 energy saving pump
£119.95 4.6 59 reviews

The efficiency king: 10,000 litres an hour on just 63 W, with a 5.2 m head and the best rating in the category at 4.6.

Pros

  • 63 W for 10,000 L per hour
  • 5.2 m maximum head
  • 4.6 rating across 59 reviews
  • Ceramic shaft and thermal protection
  • Up to 65 percent energy saving claim

Cons

  • Young pool of 59 ratings
  • £119.95 upfront cost
  • Claimed savings depend on the old pump

Why it is number 3

Flow
10,000 L per hour
Power
63 W most efficient in the guide
Head
5.2 m
Evidence
59 ratings at 4.6 young pool
Price
£119.95

What buyers actually say

Quoted from customer reviews on Amazon

Verified purchase

“This pump replaced an older version I bought five years ago. The old pump ran without issue almost continuously for five years, it moves lots of water and provides really good pressure. The new pump is very similar and after a couple of weeks I can see no difference in performance, but it is even more economical in terms of power consumption. They pay for themselves over time as the power consumption is a third less than many other brands, advertising the same litre per hour performance.”

John France · 5 October 2024
Verified purchase

“Working perfectly. Good strong performance, great value for money.”

Sandra & Martin · 12 September 2024
Check Price on Amazon More about the Jebao XOE-10000 Pond Pump 10000 LPH Energy Saving Waterfall & Filter Pump

The Jebao XOE-10000 is the pump that makes the case for reading watts, not just litres. It moves up to 10,000 litres an hour using just 63 W, which the listing says can save up to 65 percent on electricity against less efficient rivals, and that matters for a pump that runs around the clock. The 5.2 metre maximum head gives it real pressure for waterfalls, streams and koi pond filtration, and the ceramic shaft plus thermal overload protection point at long service life.

Its 59 ratings at 4.6 are the best average in this guide, and the reviews describe a direct replacement for a five year old Jebao that ran almost continuously without issue, with even lower power use than the old model. Owners report strong pressure and a pump that pays for itself over time through the electricity saved.

The pool is young, which is the only reason it does not rank first, and the solids handling cage plus swivel hose tail make it easy to place. At £119.95 it is the smart buy for anyone who runs a filter or waterfall every day of the year.

4

All Pond Solutions AquaECO-10000 Litre/ Hour Pond Pump

AllPondSolutions AquaECO-10000 pump
£109.99 4.6 136 reviews

The eco 10,000 litre pump from allpondsolutions, rated 4.6 across 136 reviews with a 6 m head.

Pros

  • 10,000 L per hour with low wattage
  • 6 m maximum head
  • 4.6 rating across 136 reviews
  • Skimmer inlet included
  • Eight year service life reported

Cons

  • £109.99 is a mid premium
  • Unit Count field says 109.99 count (as listed)
  • 5 kg pump needs a firm base

Why it is number 4

Flow
10,000 L per hour
Power
Low wattage eco electronics
Head
6 m
Evidence
136 ratings at 4.6
Unit Count field
109.99 count on the sheet (as listed) spec error

What buyers actually say

Quoted from customer reviews on Amazon

Verified purchase

“Awesome pump, my last one of these lasted 8 years on 24/7 thoroughly recommend”

Colin Troughton · 4 July 2026
Verified purchase

“Very good pump for the price cheap to run this is my second one”

Steve d · 15 August 2026
Check Price on Amazon More about the All Pond Solutions AquaECO-10000 Litre/ Hour Pond Pump

The AquaECO-10000 is allpondsolutions' energy saving answer for large ponds, delivering 10,000 litres an hour with the brand's new low wattage electronics. It runs quietly, keeps the noise down and carries a 6 metre maximum head, which is genuinely useful for waterfalls and filter runs that need pressure as well as volume. The extra inlet lets you attach hose directly from a pond skimmer, a detail the budget pumps skip.

Its 136 ratings at 4.6 are uniformly warm, and the longevity story is the headline: one reviewer's previous unit of the same series ran 24 hours a day for eight years, and owners describe a pump that is cheap to run for the water it moves. The directional hosetail outlet simplifies installation in a filter bay.

The spec sheet prints the Unit Count as 109.99 count, a catalogue slip we flag as listed. At £109.99 it costs more than the 8000PP above, and the extra flow and head are the reasons it earns fourth place for serious filters.

5

Swell 17,000LPH Submersible Pond Pump, Energy Efficient, Fish Safe

Swell 17,000 LPH pump for large ponds
£132.99 4.5 189 reviews

The top of the Swell range: 17,000 litres an hour on 180 W for large koi ponds, rated 4.5 across 189 reviews.

Pros

  • 17,000 L per hour for large ponds
  • 180 W motor with thermal cut off
  • 8 mm solids handling
  • Fish safe cage
  • 3 year guarantee

Cons

  • 180 W running cost
  • Requires a genuinely large pond
  • 25-38 mm hose needed

Why it is number 5

Flow
17,000 L per hour largest in the guide
Power
180 W high but efficient per litre
Solids
Up to 8 mm
Evidence
189 ratings at 4.5
Price
£132.99 volume value

What buyers actually say

Quoted from customer reviews on Amazon

Verified purchase

“It's powerful with the correct pipe fitted.”

MICHAEL Hutchinson · 11 June 2025
Verified purchase

“Direct replacement for the same model 15 years old, well built and seems exactly the same!!!”

Marc E. · 8 January 2024
Check Price on Amazon More about the Swell 17,000LPH Submersible Pond Pump, Energy Efficient, Fish Safe

The Swell 17,000 LPH is the pond pump for the biggest garden ponds and serious koi collections, moving 17,000 litres an hour on a 180 W motor. It passes solids up to 8 mm, keeps fish safe behind the protective cage, and runs with the automatic thermal cut off that protects the motor if the pump is restricted. The 10 metre cable and 25 to 38 mm hose compatibility place it firmly in large filter and waterfall territory.

Its 189 ratings at 4.5 describe a unit that is powerful when the correct pipe is fitted, well built and an exact replacement for a fifteen year old Swell of the same model, which says a lot about the design's longevity. Swell's three year guarantee covers the range.

At £132.99 it is cheaper per litre than many 10,000 litre rivals, which makes it the volume value for large ponds. It ranks fifth because it genuinely needs a big pond to make sense, and the 180 W running cost is not for small water features.

6

AllPondSolutions 3000 L/H Pond Pump | Energy Efficient Eco Water Fish Pump Submersible - Garden Waterfall Filter Pump 6-8mm Solids Handling - AquaECO-3000

AllPondSolutions AquaECO-3000 pump
£74.99 4.5 218 reviews

The eco small pond pump with 3,000 litres an hour and a 218 rating pool at 4.5, for £74.99.

Pros

  • 3,000 L per hour for small and medium ponds
  • 6-8 mm solids handling
  • Cage design with carry handle
  • 218 ratings at 4.5
  • 24/7 low energy operation

Cons

  • Unit Count field says 74.99 count (as listed)
  • 2 m head limits tall waterfalls
  • No plug included

Why it is number 6

Flow
3,000 L per hour
Head
2 m modest waterfalls
Cage
With carrying handle
Evidence
218 ratings at 4.5
Unit Count field
74.99 count on the sheet (as listed) spec error

What buyers actually say

Quoted from customer reviews on Amazon

Verified purchase

“Great pump, plenty of flow, just replaced another that has been working for years”

Timothy Dodd · 18 August 2026
Verified purchase

“Excellent bit of kit”

Bob · 3 May 2026
Check Price on Amazon More about the AllPondSolutions 3000 L/H Pond Pump | Energy Efficient Eco Water Fish Pump Submersible - Garden Waterfall Filter Pump 6-8mm Solids Handling - AquaECO-3000

The AquaECO-3000 is the smaller member of allpondsolutions' energy saving family, sized for garden ponds and water features that need a steady 3,000 litres an hour without wasting power. It pumps 24 hours a day for filters and waterfalls, takes solids up to 6 to 8 mm, and its caged design with a carrying handle makes placement and cleaning far easier than a bare motor. The 2 metre maximum head suits modest waterfall runs.

Its 218 ratings at 4.5 describe a pump that replaced units working for years, plenty of flow for a medium feature and low running costs, with reviewers calling it a quality product that does the job it was designed for. The submersible only design and the sealed 10 metre cable without a plug are standard safety for outdoor electrical gear.

The sheet prints the Unit Count as 74.99 count, a catalogue slip we flag as listed. At £74.99 it costs more than the Swell 1,500 LPH above while offering double the flow, which is why it suits owners who want more circulation for their money.

7

AllPondSolutions Pond Filter Pump 15000 L/H, Fully Submersible - Garden Koi Fish Waterfall Pump 6mm Solids Handling. 15000PP

AllPondSolutions 15000PP high flow pump
£109.99 4.4 95 reviews

The 15,000 litre pump for large ponds, rated 4.4 across 95 reviews and shipped without a plug for outdoor safety.

Pros

  • 15,000 L per hour flow
  • 6 mm solids handling
  • Rotatable outlet
  • Energy saving spiral propeller
  • 95 ratings at 4.4

Cons

  • Material field says 15000PP (as listed)
  • 95 rating pool is modest
  • 6 kg pump needs a firm base

Why it is number 7

Flow
15,000 L per hour large ponds
Solids
Up to 6 mm
Evidence
95 ratings at 4.4 small pool
Material field
15000PP on the sheet (as listed) model number, not material
Price
£109.99

What buyers actually say

Quoted from customer reviews on Amazon

Verified purchase

“Very good product. Does what it says on the box.”

Rodger Bell · 28 June 2026
Verified purchase

“Good product, good delivery.”

a p grandjean · 23 May 2024
Check Price on Amazon More about the AllPondSolutions Pond Filter Pump 15000 L/H, Fully Submersible - Garden Koi Fish Waterfall Pump 6mm Solids Handling. 15000PP

The AllPondSolutions 15000PP is built for large koi and garden ponds that need serious circulation. Its spiral propeller design pushes 15,000 litres an hour with an energy saving motor, the caged inlet handles coarse debris up to 6 mm without blocking, and the rotatable outlet makes pipe alignment simple in a filter bay. At 6 kg it is a substantial unit that stays put on the pond floor.

Its 95 ratings at 4.4 describe a powerful pump that does exactly what it claims, running reliably for months on end, with the honest reminder from reviewers that no plug is included because outdoor electrical pumps are supplied that way for safety. The caged design extends the time between maintenance sessions.

The data sheet lists the material as 15000PP, which is the model number rather than a material, and we flag that as listed. At £109.99 it matches the AquaECO-10000 price with a higher flow but a smaller pool, which places it seventh on evidence.

8

AllPondSolutions Pressurised Koi Fish Pond Filter Complete Kit with Pond Pump and UV Steriliser Light All in one - Ponds Up to 3000 litres - PFC-3000-KIT

AllPondSolutions pressurised filter kit
£129.99 4.2 303 reviews

A complete pressurised filter kit with pump and UV for ponds up to 3,000 litres, rated 4.2 across 303 reviews.

Pros

  • Pressurised filter, pump and UV in one kit
  • Suitable for ponds up to 3,000 litres
  • Rotating cleaning handle
  • 303 ratings at 4.2
  • Disguises easily beside a waterfall

Cons

  • 2300 L/H pump is modest
  • Hose fitting is fiddly per reviewers
  • Kit format suits filter buyers only

Why it is number 8

Kit
Pressurised filter with pump and UV
Flow
2300 L per hour filtration focused
Pond size
Up to 3,000 litres
Evidence
303 ratings at 4.2
Price
£129.99

What buyers actually say

Quoted from customer reviews on Amazon

Verified purchase

“Good value product. Easy to install with all the components you need.”

Ken Cockerell · 4 August 2026
Verified purchase

“This set up is brilliant can't say about longevity but it is working like a dream now.”

Glenn · 29 June 2026
Check Price on Amazon More about the AllPondSolutions Pressurised Koi Fish Pond Filter Complete Kit with Pond Pump and UV Steriliser Light All in one - Ponds Up to 3000 litres - PFC-3000-KIT

The PFC-3000 kit is the all in one answer for a koi pond up to 3,000 litres, because it bundles the pressurised filter, a 2,300 litre an hour pump and a UV steriliser light in one box. Water feeds from the pump into the pressurised filter and out continuously, and because the outlet can sit higher than the filter body, the whole unit hides easily behind rocks or a waterfall. The rotating cleaning handle rinses the internal sponge without opening the filter.

Its 303 ratings at 4.2 describe a kit that is easy to install with everything needed in the box, water running clear within days and excellent after sales service when one buyer's UV light arrived faulty, with a replacement sent quickly. Fitting the hoses is the fiddliest part, exactly as reviewers note.

It ranks eighth because it is a filter kit first and a pump second, so buyers who only need circulation should buy a bare pump instead. At £129.99 it is the complete solution for a koi pond that wants mechanical, biological and UV filtration in one unit.

9

Pond Waterfall Spillway Kit, Pond Waterfall Filter with 3700L/h Quiet Pond Pump & Filter Cage, 4m Corrugated Tubing, Filter Media for Outdoor Ponds up to 11300L

FEOXSHAL waterfall spillway kit
£132.47 4.2 164 reviews

A complete waterfall kit with pump, filter cage, media and tubing, rated 4.2 across 164 reviews at £132.47.

Pros

  • Complete kit: spillway, pump and media
  • 3,700 L per hour quiet pump
  • Oversized filter chamber
  • 164 ratings at 4.2
  • Suits ponds up to 11,300 litres

Cons

  • Kit format, not a bare pump
  • £132.47 for a full build
  • 1 year warranty

Why it is number 9

Kit
Spillway, pump, cage and media
Flow
3,700 L per hour waterfall scale
Pond size
Up to 11,300 litres
Evidence
164 ratings at 4.2
Price
£132.47

What buyers actually say

Quoted from customer reviews on Amazon

Verified purchase

“Excellent kit at a fare price”

brian · 26 July 2026
Verified purchase

“Bought to replace an ageing and faulty pond pump, we 'splashed out' on this Pond Waterfall kit, and the result is lovely. Quite easy to install, and the kit comes complete with all you need, with a mesh filter cage for the pump, to assist with filtration. Our ancient 9 inch Comet goldfish were unsure of the waterfall at first, but now use it for exercise.Very pleased with this purchase.”

AndyP · 23 July 2026
Check Price on Amazon More about the Pond Waterfall Spillway Kit, Pond Waterfall Filter with 3700L/h Quiet Pond Pump & Filter Cage, 4m Corrugated Tubing, Filter Media for Outdoor Ponds up to 11300L

The FEOXSHAL waterfall kit is the complete package for turning a garden pond into a water feature, because the box contains the spillway box, a 3,700 litre an hour pump, a filter cage, bio balls, filter rings, sponge and 4 metres of corrugated tubing. The oversized spillway chamber holds the media and creates a wide, quiet curtain of water, while the pump's mesh cage keeps debris out of the impeller. It suits ponds up to about 11,300 litres and works for koi and garden features alike.

Its 164 ratings at 4.2 describe a kit that is easy to fit, complete with everything needed and quietly powerful, with owners calling the result lovely and a strong improvement over an ageing pump. The modular design hides underground or sits externally beside the pond, and the UV resistant materials are built for outdoor life.

It ranks ninth because it is a waterfall kit rather than a bare pump, so buyers who only need circulation should look above. At £132.47 the complete kit is good value for anyone building a waterfall from scratch.

10

Biling 2500L/h Pond Filter Fountain with LED Light for 600-4000L Fish Ponds

Biling LED filter fountain combo
£66.48 4.0 35 reviews

A filter and fountain combo with colour changing LED, closing the ranking on its young pool and contradictory cable claims.

Pros

  • 2,500 L per hour filter pump
  • Colour changing LED ring
  • Three fountain nozzles
  • Multi layer filtration
  • Dry run protection

Cons

  • Only 35 ratings at 4.0
  • Cable listed as both 3 m and 5 m (as listed)
  • Remote control buttons unexplained

Why it is number 10

Flow
2,500 L per hour 600-4000 L ponds
Filter
Multi layer with media
Lighting
Automatic LED ring
Cable field
3 m and 5 m in same listing (as listed) contradiction
Evidence
35 ratings at 4.0 thin pool

What buyers actually say

Quoted from customer reviews on Amazon

Verified purchase

“Fantastic pump with different options. Easy to install and clean the filter. Word to the wise install in a clean pond it did block quite quickly but that was the state of the pond not poor performance”

Sarah Baldock · 26 August 2026

“Garden space felt a bit flat before setting this up, though the moving water and lighting changed the atmosphere completely during the evening. Water stayed noticeably cleaner after several days, and I spent far less time dealing with murky patches than expected. Different spray settings gave enough variety without feeling fiddly, while the sound from the water created a calmer feel outside without becoming noisy. Cleaning took less effort than anticipated, which mattered most to me because constant maintenance becomes tiring quickly. Lights looked far better after dark than I expected from something in this price range. Pump noise stayed low during use, though positioning took a bit of trial and error before everything looked balanced. After proper setup, it worked reliably and made the pond look far more cared for.”

Wes Brown · 16 July 2026
Check Price on Amazon More about the Biling 2500L/h Pond Filter Fountain with LED Light for 600-4000L Fish Ponds

The Biling is the pond pump that also wants to be a fountain and a night light, combining a 2,500 litre an hour filter pump with three fountain nozzles and an automatic colour changing LED ring. The multi layer filter with sponge, ceramic rings and bio balls keeps water clear for ponds between 600 and 4,000 litres, and the adjustable flow plus dry run protection cover the basics. For a patio pond that wants movement, filtration and evening glow in one unit, it is a genuinely complete box.

Its 35 ratings at 4.0 are young, and the captured reviews describe a pump that copes even with duck poo, LED lighting that looks far better than the price suggests and noticeably clearer water within days. The honest complaints are practical: the outlet assembly is short for attaching a standpipe, and the remote control buttons come with no explanation.

The listing contradicts itself on the cable, promising 3 m in one bullet and 5 m in the next, which we flag as listed rather than choose a side. At £66.48 it is a likeable all in one for a small pond, and it closes the ranking because its evidence is the thinnest here.

Final Verdict

For smaller ponds the Swell 1,500 LPH is the best pond pump here, with the deepest pool in the category at 1,258 ratings and a 25 W running cost, while medium and large ponds are best served by the allpondsolutions 8000PP on value or the Jebao XOE-10000 on efficiency at 63 W for 10,000 litres an hour. Koi keepers should look at the 17,000 LPH Swell or the pressurised PFC filter kit, and anyone building a waterfall or fountain has the FEOXSHAL and Biling kits, reading the fine print on cable length and LED claims before buying. Match the pump to the pond, not to the biggest number on the box.

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Felipe is a computational engineering student who has been working in SEO since he was sixteen. He founded ranked10 and researches every guide on the site.

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Garden

Best Bird Feeder 2026: Squirrel-Proof, or Just Metal?

September is when British garden birds need feeding most: the breeding season is over, the berries are not ready and the first cold nights are coming. It is also a category where the numbers on the listings barely mean anything. Across the ten feeders here the capacity is given as 1 kg, as 800 millilitres, as 3.12 LB — which is 1.42kg for a pair rather than each — and on three listings it is not published at all. None of those units converts to another without knowing how much a litre of sunflower hearts weighs, so the useful figures are elsewhere: the height of a station (190cm or 224cm), the number of feeders per pound in a pack (£4.00 in a three-pack, £4.66 in a set of eight) and the size of the tray, which decides whether a robin or a pigeon can use it. Squirrel-proof is the other claim to treat carefully. Two listings here offer an actual mechanism: a twist-and-lift locking lid that stops the top being opened, and a metal cage with a spill-proof tray that stops food being reached from above and below. The rest either assert it as a special feature — one of them while listing Cardinal as the target species, which is a data-feed error from an American catalogue — or, honestly, make no claim at all. The window feeder at the top of this ranking makes none, because a tray held on by suction cannot stop a squirrel, and saying so is worth more than a badge. The evidence points somewhere specific. The second best seller in Amazon's bird feeder category is a £8.95 acrylic window tray with 1,689 ratings; the best-rated feeder here has 4.6 stars from 216 ratings and ranks 99th; and the highest rank on this page, 6th, belongs to a feeder with 48 ratings. A rating is what owners think; a rank is how many of them bought it. Both are true and neither is the whole answer, which is why the last word here goes to the numbers that survive either way: metal where the teeth go, drainage so seed stays dry, and a feeder you can strip down in 30 seconds, because cleaning it weekly is what keeps garden birds healthy.