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STATISTICS &  
LEADERBOARD

STATISTICS.

Curious about the impact of our collective efforts? This section highlights key statistics from the PatchBird Initiative, including the number of surveyed sites, total checklists submitted, and annual progress. These figures reflect the expanding reach of our network and the dedication of our contributors. Every data point plays a role in advancing bird conservation—so keep surveying and help shape the future of avian research.

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More details coming soon!

SUBMITTED CHECKLISTS

UNIQUE
UTM GRIDS

COUNTRIES
COVERED

ACTIVE SURVEYORS/
REGISTERED SURVEYORS

As of 12/04/2025

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LEADERBOARD.

Welcome to the PatchBird Leaderboard, where we celebrate the dedication of our most active surveyors! This page showcases the individuals who have contributed most to expanding our understanding of bird populations through consistent, high-quality surveys.

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By recognising top contributors, we aim to inspire friendly competition and encourage broader participation across the PatchBird network. Every survey matters, and your efforts play a vital role in advancing bird conservation.

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Keep surveying, climb the rankings, and help shape the future of avian research!

​NUMBER OF UNIQUE CHECKLISTS
PER COUNTRIES/STATES(COUNTIES)

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PatchBird Top 20 Leaderboard

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  1. Stuart Fisher (United Kingdom) – 46 checklists / 2 UTM Grids

  2. Kathie Brown (USA/AZ) – 26 checklists / 8 UTM Grids

  3. Ismael Khalifa (Egypt) – 22 checklists / 3 UTM Grids

  4. Chris Hensley (USA/CA) – 16 checklists / 4 UTM Grids

  5. Georgina Cole (Egypt) – 16 checklists/ 1 UTM Grid

  6. Péter Gyüre (Hungary) – 16 checklists / 4 UTM Grids

  7. Ferenc Domoki (Hungary) – 12 checklists / 4 UTM Grids

  8. Yury Miadzvedik (Belarus) – 10 checklists / 5 UTM Grids

  9. Colleen Radebaugh (USA/IA) – 9 checklists / 1 UTM Grid

  10. Daniel Koehn (Canada) – 9 checklists / 1 UTM Grids

  11. Dave Bowman (USA/FL) – 9 checklists / 1 UTM Grid

  12. Javier Morala (Spain) – 8 checklists / 1 UTM Grid

  13. Liudmila Karukina (Bulgaria) – 8 checklists / 1 UTM Grid

  14. Pedro Lourenço (The Netherlands) – 6 checklists / 1 UTM Grid

  15. Péter Csonka (Hungary) – 6 checklists / 1 UTM Grid

  16. Daniel Szimuly (Hungary) – 5 checklists / 1 UTM Grid

  17. Ed Vigezzi (USA/MD) – 4 checklists / 2 UTM Grid

  18. Kathy Carroll (USA/MN)– 3 checklists /1 UTM Grid

  19. Máté Szabó (Hungary) – 2 checklists /1 UTM Grid

  20. Gellén Gyukis (Hungary) – 1 checklists/1 UTM Grid​

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To be updated on the weekends!​

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