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White-capped Albatross soaring over ocean waves

Species Maps

Explore interactive range maps by species or subspecies — zoom in for details

Swallows foraging over water at dusk

Explore Atlas Regions

Recent sightings, checklists, birding activity, best hotspots, and top birders for a block, county, or state

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Atlas Effort Map

Map block progress by effort hours, confirmed species, and more.

Species you need

Atlas Target Species

Prioritized list birds you haven't confirmed as breeding that you can expect to find in an atlas region

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Atlas Top 100

Compare with the top atlasers in your region.

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