Pull up a bench.
A bench is where you watch birds — and where you get work done. BirdBench builds fast, honest tools for both: nectar math, feeder matching, nest-box specs, and a life list that stays on your device.
The Bench
Four tools, no accounts, no tracking. Everything runs in your browser.
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Hummingbird Nectar Calculator
The 4:1 recipe scaled to your feeder — sugar in cups and grams, plus a cleaning schedule by temperature.
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Seed & Feeder Matcher
Pick the birds you want. See which seed and feeder serve the most of them — trade-offs included.
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Nest Box Spec Finder
Published hole sizes, floor dimensions, and mounting heights for 19 cavity nesters. Print the spec card.
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Lifer Log
A life list that never leaves your browser. Add sightings, see stats, export CSV or JSON anytime.
Latest from the field notes
Notes from the bench
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