How to use BirdTrax
Click on the "Sightings" or "Rarities" column headers, then scroll down to see what has been seen recently. Navigate to individual checklists and from there, to map locations for those sightings.
Click on any location to see all recent reports from there.
This BirdTrax shows all eBird sightings within 50 km from the Centre Street Bridge in Calgary, for the last two weeks.