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Ontario Breeding Bird Atlas
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Find a square
Select a method to find an atlas square. Note that valid coordinates in Canada are from latitude 41 to 90 ° and longitude -141 to -52 (negative values for western hemisphere). Note also that square numbers now have 7 digits, but you can search for square numbers using the 6 digit format used in previous atlases.
Enter a square number:
Enter coordinates (decimal format): Lat: ° - Long: °
Enter coordinates (ddmmss format): Lat: ° ' " - Long: ° ' "
Enter coordinates (UTM format): Zone: Easting: Northing:

Click on a row matching your square in the table below to use this square in your data form.

Atlas squareProvinceAtlas Region
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Atlas Square Resources

Current atlas square: Zoom in

Select a square from your list, zoom in with the map until you see the square boundary, or click on Find square to search for a square using a square number or coordinates. Once a square is selected enter a date and click "Start Checklist" to submit observations for that square

Square name:

Tools available for this square:

  • Download PDF map:
  • Download Point Count Coordinates (CSV format)
  • Download Point Count Coordinates (GPX format)
  • Download Point Count Coordinates (Google Earth KML/KMZ format)
  • Square species list with highest breeding evidence
  • View Square Summary Sheet
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Birds Canada

P.O. Box 160

115 Front Street

Port Rowan ON N0E 1M0

Phone: 519-586-3531

Toll-free: 1-888-448-2473

Email: hello@birdscanada.org

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Birds Canada (Ontario Office)

P.O. Box 160

115 Front Street

Port Rowan ON N0E 1M0

Phone: 519-586-3531 ext. 123

Toll-free: 1-888-448-2473 ext. 123

Email: atlas@birdsontario.org

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Submit data Enter nest records Special surveys Mobile App
Explore
Coverage map Atlas Data Summary Summarize nest records Atlas Maps Species Maps State of Canada's Birds Report Download data NatureCounts Projects
My Data
View data forms Atlas square resources
About
Project Partners Contact Terms and Conditions About NatureCounts
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