06:42 · Weigh-in
Step up. Weighed. Logged.
Before the first feed, with a glove on: tap the bird, type the reading, done. It is checked against yesterday, her window and her overnight loss in the same breath.
742.4g
At flying weightAbove range · fed upBelow range · low
6:42 AM · Sable, peregrine falcon ♀, weighed before the first feed.
Too
heavy.
Too
light.
A few
grams.
Too heavy, she’s fed up: slow on the fist, slow to respond, and liable to sit in a tree instead of coming back.
Too light, she’s low: weak, cold, with nothing in reserve for the weather or the chase.
Between them sits her flying window, where she’s keen, fit and responsive. On a 180 g kestrel, five grams is nearly three per cent of her body.
Weight management for falconers
Know every gram.
The calm, precise instrument for people who fly birds of prey. Weigh-ins, flying windows, slips, health and papers: one record for every raptor in your mews.
Sable · Peregrine ♀
742.4g
At flying weight · 6:42 AM
Scroll to weigh in
Too heavy.
She’s fed up: slow on the fist and liable to sit in a tree instead of coming back.
Too light.
She’s low: weak, cold, with nothing in reserve for the weather or the chase.
A few grams.
Between them sits her flying window, where she is keen, fit and responsive.
742.4 g
02 · The weight card
For centuries, the window lived on a card.
A pencil, a card pinned inside the mews door, a notebook in the hawking bag. Falconers have always kept the numbers, and done the sums in their heads at dawn, with a bird on the fist.
02 · The weight card
Now it’s a window you can see.
Every weigh-in lands on her curve, inside her window. The trend, the grams lost per hour, the feed for tomorrow, all worked out before your coffee.
- This morning
- 742.4 g
- Loss rate (GPH)
- −1.4 g/h
- Flying window
- 720–760
Falco peregrinus, pl. 21
Sable ♀
Sept
peregrine · flying window ~740?
daywtfednotes
1754½ quailfed up, sat on the post
275040 g quailslow to the lure
37552 chickstoo heavy, no fly
474930 g pigeongood stoop
574735 g quailkeen ✓
675140 g quailok
774630 g quailsharp, 2 slips
742.4g
○ Ready to fly30-day average 744.1 g
755740725
1 Sep10 Sep20 Sep30 Sep
03 · A day on the glove
One bird. One day.
Every gram accounted for.
- 06:42Weigh-in
- 06:43The window
- 10:30The field
- 17:30The feed
- 21:00The record
Inside the window
vs yesterday−0.6 g
Ready~2:30 pm
GPH−1.4 g/h
Height4 / 5
Surprise5 / 5
Suggested+8 g quail
Back in window8:00 am
CITES Article 1018 days
Vet check12 Oct
06:42 · Weigh-in
Step up. Weighed. Logged.
Before the first feed, with a glove on: tap the bird, type the reading, done. It is checked against yesterday, her window and her overnight loss in the same breath.
- 742.4 g
- this morning
- −0.6 g
- vs yesterday
06:43 · The window
Know when she’ll be ready.
Her flying window is set once and drawn every morning. From her grams lost per hour, Falconry Scale forecasts when she’ll reach it, and says how sure it is.
- ~2:30 pm
- ready, high confidence
- −1.4 g/h
- loss rate (GPH)
10:30 · The field
Learn what wins.
Rate every slip on the five advantages: height, speed, proximity, surprise, cover. Over a season, the patterns that put quarry in the bag rise to the top.
- 61%
- success this season
- Height + Surprise
- winning pattern
17:30 · The feed
Feed for tomorrow morning.
Food items, crop state and schedules in one place. After the flight it suggests how much to feed to hold her near her flying weight by dawn, and moult mode plans a gentle bring-down, capped at 1.5% a day.
- +8 g
- at the 5:30 pm feed
- 8:00 am
- back in her window
21:00 · The record
Records that outlive the season.
A health timeline, medications with reminders, and a vault for CITES certificates, permits and ring papers, with reminders at 30, 7 and 1 days and read-only links for your vet.
- 18 days
- until CITES renewal
- 30 · 7 · 1
- day reminders
03 · A day on the glove
One bird. One day. Every gram accounted for.
06:43 · The window
Know when she’ll be ready.
Her flying window is set once and drawn every morning. From her grams lost per hour, Falconry Scale forecasts when she’ll reach it, and says how sure it is.
10:30 · The field
Learn what wins.
Rate every slip on the five advantages: height, speed, proximity, surprise, cover. Over a season, the patterns that put quarry in the bag rise to the top.
17:30 · The feed
Feed for tomorrow morning.
Food items, crop state and schedules in one place. After the flight it suggests how much to feed to hold her near her flying weight by dawn, and moult mode plans a gentle bring-down, capped at 1.5% a day.
21:00 · The record
Records that outlive the season.
A health timeline, medications with reminders, and a vault for CITES certificates, permits and ring papers, with reminders at 30, 7 and 1 days and read-only links for your vet.
04 · Built for the field
Built for the field.
Made for falconers.
Precise
Grams to the decimal, trends at a glance. Numbers are set in a tabular mono and never buried.
Glove-ready
Big targets and bottom-weighted actions, high contrast for cold hands and low light.
Daylight or dusk
Parchment in the morning, Hood at night. Every screen is drawn both ways.
Yours
Export every weigh-in, hunt and record as CSV or JSON, any time. No ads. Ever.
05 · The Pilot · Ireland & UK first
Be first to the glove.
We’re opening Falconry Scale to a small group of falconers this winter: Ireland and the UK first, then everyone else. Leave your email and we’ll write when your invitation is ready.
06 · Questions
Questions falconers ask.
What is Falconry Scale?
Falconry Scale is a weight-management and record-keeping app for falconers, for iPhone and Android. It keeps every weigh-in, flying window, slip, health note and legal paper for every raptor in your mews in one calm, precise record.
What is a flying weight, and why does it matter?
A bird of prey flies best inside a narrow weight range, her flying window. Too heavy and she is fed up: slow on the fist and liable to sit in a tree. Too light and she is low: weak and cold, with nothing in reserve. Falconry Scale draws her window every morning and checks each weigh-in against it.
What can I track in the app?
Daily weigh-ins with grams lost per hour (GPH) and a forecast of when she will be ready to fly, feeds and crop state, slips and hunts rated on five advantages, a health timeline with medication reminders, and a vault for CITES certificates, permits and ring papers with reminders at 30, 7 and 1 days. Everything exports as CSV or JSON.
When can I get it, and what does it cost?
We are opening the Pilot to a small group of falconers this winter, Ireland and the UK first. Free covers up to 3 raptors. Pro is €9.99 a month or €89.99 a year with a 7-day free trial, and founding members lock in their first year of Pro for €69.99. Join the waitlist to be invited.
Is the Bluetooth scale available?
Not yet. The Falconry Scale Bluetooth scale is still in development. Every plan works today with manual weigh-ins, and the scale will arrive as a free update when it ships.
Who owns my data, and is it private?
You do. Your raptor records are private unless you choose to share them, we never sell your data or show ads, and you can export everything or delete your account at any time. Deleted data is permanently erased within 30 days.